The Slipping line of drink ware is made with 100% Food-Grade Silicone and is as resilient as it is versatile. Our drink ware is all but indestructible and will last a lifetime. A lifetime of every imaginable use including camping, boating, golf, the beach, the tent, the kitchen, tailgaters, car camping, motor homing, picnics and BBQ's. And a friendly and functional home for every imaginable liquid including beer, coffee, smoothies, hot cocoa, water, cocktails, juice, milk, tea and soups. Not to mention some of your favorite solids - ice cream, granola and cereals. But feel free to play catch with the Slipping football at the tailgater or use it as an insulation mitt. Slipping drink ware is also practical for its users: BPA-Free; insulates hot & cold contents, dishwasher safe, freezer safe, microwave safe and kid safe. The incredible line of Slipping drink ware does it all. Make broken glass a thing of the past with Slipping drink ware.