The Saturday Baby Silicone Stacking Cups are the perfect toy to help develop fine and gross motor skills for your little one! Promote brain development and hand-eye coordination with these stacking cups and learn numbers and colors along the way. The silicone is perfect for playtime, bath time, and even teething! Of course you can always feel safe knowing that all of our products 100% food grade silicone, FDA approved, BPA, PVC, and BPS free. These stacking cups are dishwasher safe if they need to be cleaned!