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Sheer Black Glass Vessel Bathroom Sink GL004 — SANIKB

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GL004 Transparent Black Glass Vessel Sink

SKU GL004

Certification

Min. order

20 ft / 40 ft containersBelow 1 container: your own China forwarder required.

Lead time

30–45 days

Reply time

1 business day

Material Tempered Glass

Size 420 × 420 × 145 mm (thickness 12 mm) Custom sizes

Mount Above-Counter Vessel

Volume (CBM) 0.04 m³

Net weight 5.8 kg

Gross weight 6.8 kg

Product PDF GL004

Wholesale · 20 ft / 40 ft · Mix available · Below 1 container: your own China forwarder required.

GL004 is a round bowl in smoked, transparent black tempered glass, 420 × 420 × 145 mm. It adds contrast to an above-counter vanity while still letting light through the 12 mm wall.

Showrooms, boutique hotels and traditional or modern residential bathrooms can order from 20 pcs. Quote it by model code, quantity and destination port, and our team replies with packing details.

Product PDF GL004

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20 ft / 40 ft containersBelow 1 container: your own China forwarder required. · Mix models and categories. No retail.

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Shape & size

Shape and size of GL004

Size420 × 420 × 145 mm (thickness 12 mm)

InstallationAbove-Counter Vessel

MaterialTempered Glass

Send a spec. Get a real quote in 1 business day.

Engineer-reviewed. cUPC · CE · ISO 9001 ready. 30–45 day lead time, FOB or CIF.

We send quotes within 1 business day after receiving the necessary product, quantity and destination details.

One itemised quote — not five

Feasibility & certification checked per market

Have a spec file? Attach it to your inquiry below.

— Project brief B2B only

Enquiry about GL004 Transparent Black Glass Vessel Sink SKU GL004

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Wholesale · 20 ft / 40 ft · Mix available

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Engineer reply within 1 business day

12 editions of the International Builders' Show (IBS).

— Most recent

Feb 2026 KBIS · Orlando, USA

Mar 2026 Expo Revestir · São Paulo, Brazil

6 international shows annually

2026Expo Revestir

São Paulo, Brazil

2026KBIS

Orlando, Florida

2025KBIS

Las Vegas, USA

2025The Big 5

Dubai, UAE

2024IBS

Las Vegas, Nevada, USA

2024Expo Guadalajara

Guadalajara, Mexico

2023Canton Fair

Guangzhou, China

2019Cersaie

Bologna, Italy

2019ISH

Frankfurt, Germany

2017The Big 5

Dubai, UAE

2014KBIS

Las Vegas — US debut

2013BAU

Munich, Germany

Factory documentation

Certification scope depends on the selected model and destination market. Request model-specific documents with your quotation.

UDEM CE technical inspection certificate

GL004 transparent black glass vessel sink

Smoked Glass Depth for a Round Above-Counter Vanity Bowl

GL004 focuses on one clear product difference: transparent black tinted glass. The smoked finish gives the vanity a darker accent while keeping the reflective, translucent quality of glass.

Smoked Black Transparency Without a Solid-Color Look

GL004 is not a flat, fully opaque black bowl. Its main design value comes from the smoked transparent glass, which allows light to pass through the basin while still creating a darker vanity focal point. The rim appears more defined than a fully clear option, and the lower bowl area creates a deeper shaded effect.

This makes the sink useful for buyers who want a dark bathroom accent without making the vanity feel visually heavy. On lighter countertops, the transparent black tint creates stronger contrast. On darker surfaces, the basin becomes more integrated and subtle.

420 mm Round footprint

145 mm Vessel height

12 mm Glass thickness

420 mm Round Bowl for Compact Vessel Layouts

GL004 measures 420 × 420 × 145 mm, giving it a round vessel shape with a moderate above-counter height. The 420 mm footprint works well for many single-sink vanity layouts, while the circular bowl avoids the directional alignment concerns often associated with angular basin shapes.

The round profile also helps soften the vanity composition. Instead of creating a sharp geometric block, GL004 adds a darker glass form with a smooth outline for powder rooms, model homes, boutique bathrooms, and display settings.

12 mm Tempered Glass With a Defined Dark Edge

The basin is made from tempered glass with a listed 12 mm thickness. This thickness gives the rim a substantial visual edge and helps the transparent black tint appear deeper around the bowl. The glass surface also creates reflection and shadow, which are important parts of the smoked appearance.

Because the material remains transparent, GL004 interacts with the surrounding vanity environment more than an opaque basin would. Countertop color and bathroom lighting should be reviewed before final specification.

Faucet and Drain Planning for the 145 mm Vessel Height

GL004 is designed for above-counter vessel installation, so the total finished height includes both the vanity and the 145 mm bowl height. This should be checked before the cabinet, countertop, and faucet are finalized.

Confirm vessel faucet height and spout reach before installation.

Align the drain hole with the bowl position and plumbing below the counter.

Check clearance between the bowl rim, faucet, backsplash, and mirror.

Do not assume faucet, drain, or mounting accessories are included unless confirmed separately.

How Countertop Color Changes the GL004 Appearance

Transparent black glass does not look identical on every vanity top. The same GL004 bowl can read as a high-contrast feature basin or a quieter tone-on-tone dark glass accent depending on the countertop and lighting.

On light countertops The smoked-glass layering becomes more visible, and the dark rim creates stronger contrast.

On dark countertops The basin looks more integrated, with a richer and more understated appearance.

GL004’s Position Within Dark-Tinted Glass Bowl Options

GL004 should be selected when the project needs a round smoked-glass vessel bowl rather than a fully clear, opaque, matte, or angular design. Its transparent black tint gives the vanity more shadow and contrast while still keeping the visual lightness of glass.

Compared with a fully clear option, GL004 creates a darker rim and deeper bowl appearance. Compared with an opaque dark basin, it allows more light movement through the material. Matte or diffused glass styles reduce reflection, while GL004 keeps a glossy surface. Angular bowls create sharper geometry, but GL004 uses a round outline for a softer bathroom profile.

Finish focus Transparent black tint with smoked-glass depth.

Shape focus Round bowl for a softer vanity outline.

Install focus Above-counter vessel layout with 145 mm height.

Selection focus Best for dark contrast without a fully opaque look.

SMOKED BOWL

Transparent black glass vessel sink, 420 mm round

Light passes through GL004, which is why a 420 × 420 × 145 mm bowl in black tint looks lighter than an opaque basin of the same size.

The smoked, translucent glass lets countertop colour and faucet finish show through the wall. The same bowl therefore looks different on white stone than on dark timber.

Wall thickness is 12 mm of tempered glass, which gives the rim a clean, visible edge. Boutique hospitality bathrooms and modern residential vanities use this vessel sink where contrast is wanted without bulk.

SPEC TABLE

Smoked glass bowl: size, weight and carton

Model: GL004
Size: 420 × 420 × 145 mm (thickness 12 mm)
Material: Tempered Glass
Mounting: Above-Counter Vessel
Tint: Transparent black (smoked)
Net weight: 5.8 kg
Gross weight: 6.8 kg
Carton volume: 0.04 m³
MOQ: 20 pcs

BLACK OPTIONS

Smoked translucent against opaque black

Against matte black

Our matte black glass bowls have an opaque matte finish, a different vessel sink for a different look. GL004 is smoke-tinted and transparent, so it suits designs where light and reflection matter.

Against smoky textured glass

Our smoky textured bowl shares the 420 mm round format. GL004 is smooth and tinted, while the textured one scatters the view.

Against white glass

A white vessel sink of this round format brightens a vanity. GL004 does the reverse and adds a dark point of contrast.

BUYING

Ordering GL004 for showrooms and hospitality

MOQ: 20 pcs
Net weight: 5.8 kg
Carton volume: 0.04 m³

Send the model code and quantity, and our factory returns a quotation within 12 business hours. A showroom can start at 20 pcs and display the bowl on both a light and a dark top.

Faucet, drain and accessory details for the vessel sink are agreed at quotation. Private-label packaging goes through our OEM and ODM service.

How we work

From enquiry to shipment

A factory-direct process built for importers, distributors and project buyers. No trading layer in between.

01

Send the enquiry

Tell us the model, quantity, destination market and any branding or packaging requirement. A spec sheet or drawing helps but is not required to start.
Replied within 1 business day
02

Our sales team contacts you

A named account manager follows up by email or WhatsApp, confirms the specification and clarifies anything missing before pricing.
Email or WhatsApp
03

Quotation

You receive a written quotation with unit price, MOQ, packing details, lead time and the trade term you asked for. Entry, mid and premium build levels can be quoted side by side.
FOB or CIF
04

Sample approval

We send a sample for finish, function and packaging sign-off. Branded samples are produced once artwork is confirmed.
Before mass production
05

Production and shipment

Mass production starts after sample approval and deposit. QC and inspection run before loading, then the order ships to the agreed port.
30–45 days after approval

50+ New models developed every year, tracking current North American and European trends

1 business day Maximum first response to an enquiry

Since 2000 Foshan factory, B2B trade only

OEM and ODM to your specification

We develop to a brief. Send a reference model, a drawing or simply the price band and market you are targeting, and we will propose what fits. Entry, mid and premium builds are all available from the same factory.

Your logo on product, carton and documentation
Private-label packaging and manuals
Custom finish matched to your standard
Custom dimensions and tooling where volume supports it
Product development from your reference or price target
Destination-market documentation prepared on request

Get a quote View OEM & ODM program

FAQs

Is GL004 fully black or see-through?

It is transparent black, a smoked tint rather than an opaque finish. Light passes through the glass, so the bowl looks darker than clear glass yet lighter than a solid black basin of the same size. Judge it against the project counter and lighting before approving the order, because a tinted wall shows both.

Which countertops show off a transparent black glass vessel sink?

Light tops create the strongest contrast and make the smoked effect obvious on a 420 mm round bowl. Dark tops give a more integrated look, in a traditional bathroom as much as a modern one. Decide first whether the bowl should stand out or blend in, then select the counter and faucet finish to match.

What are the GL004 size and glass thickness?

GL004 measures 420 × 420 × 145 mm, a round above-counter vessel with 12 mm tempered glass. Add the 145 mm height to the vanity height for rim level, which sets how tall the faucet must be, and pick a faucet that clears it with enough reach to land over the bowl.

What shipping figures should we use for GL004?

Net weight is 5.8 kg, gross weight is 6.8 kg and carton volume is 0.04 m³ per piece. Use these vessel sink figures for freight planning. Orders start at 20 pcs, and bowls from other glass models can share the same container.

Which fittings come with a GL004 order?

Accessories are agreed at quotation instead of assumed. Tell us if the order needs a faucet, drain or other fittings, and we confirm the package before production. Send the destination port and quantity at the same time, so the quotation covers the full package in one reply.