A 100% leakproof straw tumbler made for your mini. With leakproof technology to prevent spills, a protective silicone sleeve to prevent dents + dings, triple-insulation for all-day cold drinks, and a ColdKey™ straw that keeps plastic from sitting in water, the Leap is built to handle everyday adventures. Perfect for school, playdates, and activities on the go, it comes in a variety of fun colors to match your child’s unique style. Leap must be in the locked position to prevent spills. There is an instruction manual that comes with it and explains how it works. Cup hold friendly and dishwasher safe :) Never been used!