... resistant,non-stick,flexible 4.easy storage ,stackable Pomational portable silicone cup coaster Specificationsilicone cup coaster1.100% silicone rubber2. ... 2) Flexible, lightweight and portable, easy to store and transport3) Durable, long-standing, long life timeFeatures1)Dishwasher safe, stackable, freezer safe ... please feel free to contact us anytime. Promotionl portable silicone cup holder tray