Baby and Toddler Silicone Straw Cup | Training and Learning Open Cup for Baby Independent Drinking | Promotes Fine Motor Skills | with a Nonspill Lid and Silicone Straw Toddler Open Cup, Baby Straw Cup | Training and Learning Open Cup for Baby Independent Drinking | Promotes Fine Motor Skills | with a Nonspill Lid and Silicone Straw Baby Open Cup with a Nonspill Lid and Silicone Straw | Training and Learning Tumbler Cup for Toddler Independent Drinking | Promotes Fine Motor Skills Specification Acts as both baby open cup and baby straw cup Applicable for: 6 months and more Temperature Range: -40°F~428°F Material: 100% food grade silicone Freezer safe, microwave safe, dishwasher safe Promotes self-feeding and develops fine motor skills Cleaning and Maintenance 1. First time use, please boil or microwave 5 minutes. 2. Be sure to use it under the supervision of a guardian. 3. Store in dry & clean place to avoid exposure under the sun light, fire or high temperature environment. 4. Clean with a soft cloth or sponge, do not scrubbing with wire brush to avoid deforming or discoloring.