Soft silicone reduces potential damage to developing gums and teeth, and is safe for babies learning to drink independently. Our sippy cup features an easy-grip handle and a sturdy base. It's made of durable, unbreakable, and heat-resistant silicone. This material is gentle on toddlers' gums, even during teething. Reusable, adorable, and easy to use, this newborn training cup makes the perfect baby gift.