B. Box 360 Cup with Silicone Drinking RimDescription Meet B. box 360 cup supporting independent drinking, with a twist! Great for littlies that are learning to drink, our 360 cup lets kids sip from a super soft silicone, lip activated 360 drinking rim. Offering flow control (the firmer they press the more liquid will flow) and less spills, the silicone rim seals closed when not in useso clever! Wide profile handles are easy for little hands to grip for self led drinking, and offer two mode