General description Silicone Black Drink Coasters Set of 40 features a non-slip design, making them ideal for protecting your surfaces from heat damage caused by hot drinks and teapots. With a sleek black finish, these coasters are perfect for any home, office, or apartment setting and also make great gifts for friends and family. Technical specifications Material: Silicone Diameter: 10 cm (approximately 4 inches) Thickness: 0.5 cm Measurement allowed error: +/- 1-3 cm Usage These silicone drink coasters are designed to protect your tabletops from heat damage while providing a stylish and functional accessory for your drinks. Other information Package includes: 40 silicone table coasters Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.