Size of each coaster: 10.2cm (4") outer diameter x 3.3mm (0.13") thick. 9cm (3.5") inner diameter with 1.3mm (0.05") rim Weighs only 22g Each coaster is made of BPA-free, food-grade, washable silicone dishwasher safe and easy to wash by hand under tap water, heat resistant and quick drying The coaster has a non-slip base that easily grips surfaces. Completely waterproof to protect surfaces from cup/glass marks or stains The glass mat has a raised rim that prevents liquid from dripping and helps keep the glass or cup in place< /p> Our drink dipper set is perfect for parties, home, garden, office and more. They are lightweight and easy to store
