From LouLou Lollipop, these cups feature: Loulou Lollipop silicone nesting and stacking cups are the must-have sensory and educational toys for all ages Adorned with a fun design on each cup, this set of seven cups is made of 100% food-grade silicone that is soft and gentle, essential from playtime to bath time!  Each product is rigorously tested by a leading third-party laboratory, ensuring they're completely safe for your little one Promote hand-eye coordination Teaches spatial relationship Supports fine & gross motor skills development Teaches cause & effect Teaches counting, sorting, & size recognition Offers creative & endless open-ended play Microwave, freezer, dishwasher safe For Ages: 12 months and up Dishwasher  Imported.