Cuisinart Slip-On Coasters, 1-Pack (6 Pieces) DURABLE: Made from quality, BPA-free silicone. NON-SLIP: Glasses / stemware won't slip, tip or fall. THE RIGHT FIT: Adheres to the bottom of all standard sized drinking glasses and stemware. BPA-FREE, FDA APPROVED: The healthier alternative, approved by the FDA as being safe for products made for consumption. VARIETY: Comes in 6 different colors.