product description1. NEW THICKENED & DEEP TRAY DESIGN - These bar coasters are which will prevent any burns or freezing. Inspired by the ripples on the lake, these ripple coasters for drinks are low in the middle and high around, and around in the deepest, which can hold more condensation, juice and liquor from the cup.2. Keep Your Desktop Always Dry and Clean - These coaster set are in diameter. Big size suits all normal cups or mugs, also enough for large mason jars, tumblers and glassware. These table coasters can be used on any materials table type, like wood, granite, glass, marble. Smart protect the surface of your favorite furniture from nasty marks or scary scratch. 3. Long Term Use & Heat Resistant - These coasters for wooden table are made of food grade silicone, non-toxic & BPA free, flexible & durable. Ensure long term use with no worry of deformation. Heat resistant range from , can be used for cold or hot drinks in any occasion. Enjoy your favorite alcohol, liquor, fruit juice or other beverage.4. Easy to Clean & Water Washable - Don't worry about these silicone drink coasters being difficult to clean after use. These silicone coasters are developed to be completely dishwasher and easy to wipe clean, making your busy daily life a lot easier.5. Thoughtful Home Gift Idea - These table coasters are great idea for gifts for friends' birthday, Christmas, Thanksgiving Day and other memorable days. What's even better is that your gift will become a large part of her daily life and help her avoid long lasting stains in an elegant way. Your friends will love them.