The 12oz Kid's Grip-N-Gulp has side indents that are easy for tiny hands to grasp. The cup, lid, and removable sipper valve can all be removed for easy cleaning. Lid loop can be clipped to backpack, diaper bag or stroller. Cup is compatible with OTG, ATB & wide-mouth closures. Indestructible, translucent, odor, stain & residue resistant. Thoughtfully made from Tritan Renew. Made in the USA BPA free Dishwasher safe Leakproof