Anti-Skid: Rubber non-slip on the back ensures that your glass, mug, or cup stays in place. Non-slip insulated food grade plastic coaster, perfect for hold cup or tableware. Table Protection: The record coasters are made of top grade vinyl, wont stain, or get scratched up yourtable, can protect the surface of table form damage while putting hot or cold drinks on the table. Wonderful Gift: Our vinyl record retro coasters are very cool. It is an unique gift for retro things or music lovers, and great gifts for any occassion, such as home, office... Good Decoration: The design of vinyl record retro looks like real vinyl records, can act as a wonderful decoration for your home or office, you can use them to create your masterpiece. Package Content: 6 pieces 6 different styles retro CD record vinyl coasters for coffee, drink, tea and glasses cups, and 1 piece coaster holder. Each coaster 4.1 inches diameter.