General description The Rubber Stamp Sheet for Lasers Engraving Machine is designed for creating custom stamps with precision. This A4 size sheet, made from durable dark gray rubber, is perfect for various engraving projects. Technical specifications Size: A4 Thickness: 2.3 mm Color: Dark Gray Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 x rubber sheet Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.