Side indents are easy for tiny hands to grasp. Soft touch lid makes drinking comfortable. Superior threading on cup and lid is engineered to prevent spills. Cup * lid * and removable sipper valve are all top rack dishwasher safe. Lid loop can be clipped to backpack * diaper bag or stroller. Cup is compatible with OTG * ATB and wide-mouth closures. Indestructible * translucent * odor * stain and residue resistant. 12 oz.