Glass vs Acrylic for Laser Engraving: Which One Should You Buy?

Side by side

Specifications are manufacturer rated, as published on each listing and collected 19 October 2026.

Glass vs acrylic for laser engraving: what separates the two sides

The listings draw the line clearly. The KAITELA acrylic listing states laser cutting and engraving outright, names CO2 laser compatibility, and says its sheets are cut by laser with clean edges and no chips. Neither glass listing mentions a laser at all: the Vivimee shot glasses are sold as drinkware for parties and bars, and the Suwimut mirror tiles as craft and decor blanks for mosaics and centerpieces. So the acrylic side arrives with stated laser workflow, and the glass side arrives as blanks you would pair with your own settings; see our laser settings for glass guide before you mark drinkware.

The other split is form. Glass here means finished objects: thirty 2.2 oz square shot glasses with a heavy base, and fifty 4 x 4 in mirror tiles at 1.7 mm thick. Acrylic here means raw stock: ten clear cast sheets at 5 x 7 x 1/8 in that you cut and engrave into whatever the order needs, from signs to display pieces. If the job is personalizing an existing object, glass is the side; if the job starts from a sheet, acrylic is the side.

The glass listings

The Vivimee listing describes a 30-pack of square shot glasses in high white glass with a heavy base, each 1.96 in wide by 2.3 in tall. The glass is non-leaded, lead-free and non-toxic, which the listing calls food safe, and the care instructions say machine wash. Two contradictions sit inside the listing: the title and bullets say 30-pack while the spec table says Package 12, and the title says 2.2 oz while the spec table says 2OZ capacity. The title and bullets are the more detailed source, so read it as a 30-pack. The stated item weight of 42.52 g is ambiguous against thirty pieces of glass.

The Suwimut listing is cleaner: 50 square mirror tiles, each about 4 x 4 in and 1.7 mm thick (0.07 in in the spec table), polished glass with a square edge, 4.5 lb for the pack. The stated uses are table centerpieces, crafts, wall decor, mosaics and personalized gifts, installed by gluing down. The spec table marks them not water resistant, so they suit indoor projects.

The acrylic listing

The KAITELA listing describes ten clear cast acrylic sheets, 5 x 7 in at 1/8 in thick (0.118 in, 3 mm nominal; the spec table says 0.12 in). The maker claims glass-like clarity, higher hardness, long-term use without yellowing, UV resistance, and a non-brittle board that is tougher and lighter than glass; read those as maker claims, since no standard is stated. The sheets arrive with protective paper on both sides, which the listing says to remove before use. Stated project uses include signs, wedding signs, invitations, display cases, menu boards and laser engraved signage, and the listing says the sheets process on a laser, table saw, jigsaw, drill, CNC router or CO2 laser. The pack weighs 0.8 kg.

Finish, durability and care

On finish, the materials diverge the way the listings describe them. The acrylic promises optical clarity and clean laser-cut edges with no chips; the glass listings promise weight and feel, a heavy base on the shot glasses and a smooth reflective face on the mirror tiles. For care, the Vivimee shot glasses are the easiest here with machine-wash instructions, while the KAITELA sheets need their protective paper peeled before work and the Suwimut tiles are not water resistant.

On durability, report the listings as written. KAITELA calls its acrylic tougher, more sturdy and lighter than normal glass, non-brittle, waterproof and UV resistant. The Vivimee listing calls its glass sturdy with a heavy base and supports reuse. The Suwimut listing calls its tiles durable quality glass. None of the three states a drop, scratch or hardness rating, so treat those words as the makers’ descriptions, not measured specs.

Safety and the laser

Cutting acrylic makes fumes, so ventilate the work area or run an extractor whenever the beam is on cast sheet; see our fume extractor vs exhaust fan comparison. Engraving glass produces no cutting fumes the way acrylic does, but the usual laser rules still apply: wear eye protection rated for your machine’s wavelength, never leave the machine running alone, and keep a fire extinguisher in the shop. The brief’s standing rule applies to every material article: never laser PVC or vinyl. For eyewear, our laser safety glasses guide explains optical density and wavelength matching.

Choose glass if

• You personalize drinkware: the Vivimee 30-pack is sized for wedding favors, bar service and party orders.
• Your projects are decor and craft blanks: the Suwimut 4 x 4 in mirror tiles suit mosaics, centerpieces and personalized gifts.
• You want finished pieces with machine-wash care instructions rather than raw stock to cut.

Choose acrylic if

• You cut and engrave from sheet stock: the KAITELA 5 x 7 x 1/8 in sheets are stated for laser cutting and engraving.
• You sell signs, wedding signage, menus or display pieces that need optical clarity.
• You want lighter, non-brittle blanks that ship with less breakage risk than glass.

Project Match

• Engraved shot glasses for weddings, bars and party favors: Vivimee 30-pack, 2.2 oz square glasses with a heavy base.
• Mosaic art, table centerpieces and craft decor: Suwimut 50-pack of 4 x 4 in glass mirror tiles, glue-down install.
• Laser-cut signs, wedding signage, menus and display pieces: KAITELA 10-pack of 5 x 7 x 1/8 in clear cast acrylic sheets.
• Projects needing a stated laser workflow in the listing: KAITELA, the only one of the three that names laser cutting and engraving.

FAQ: lasers and CNC

Do any of these listings state laser compatibility?

Only the KAITELA acrylic, which names laser cutting and engraving and CO2 laser compatibility. The Vivimee and Suwimut glass listings do not mention lasers.

Do I remove the protective paper before engraving the acrylic?

Yes. The KAITELA listing says to remove the protective paper on both sides of each sheet before use.

How thick is the KAITELA acrylic?

1/8 in thick, stated as 0.118 in / 3 mm nominal in the bullets and 0.12 in in the spec table.

Can the Suwimut mirror tiles go outside?

The spec table marks them not water resistant, so keep them to indoor projects.

Are the Vivimee shot glasses dishwasher safe?

The care instructions say machine wash, and the listing calls the glass food safe, non-toxic and lead-free.

Related: slate vs acrylic coasters, cast vs extruded acrylic, engraving glass with a diode laser, engraving acrylic with a diode laser and acrylic sheets for laser cutting.