SILIPINT 12 oz. Base is perfect from the bottom to the top. It's all about that Base, which provides a heavy bottom to help prevent spills and keep this cup entirely kid-proof. The tapered lip mimics fine dining but adds an adventurous kick to take anywhere. Throw it back, keep it real, and come back for more. This product makes the perfect beer glass, cookware accessory, or kid cup. All SILIPINT drinking cups are perfect for the pool, beach, patio, picnic table and anywhere you want to keep your cool vibes alive. Also like all other SILIPINT products, the 12 oz. Base is unbreakable and BPA-free, it can also withstand microwaves, dishwashers, freezers, stoves, and more. Plus, silicone insulates hot from getting cold and cold from getting hot, making this cup perfect for your hot drinks and your cold drinks.