BPA Free Reliable Material: The bottle body is made from premium borosilicate glass with delicate workmanship, heat-resistant, anti burst and high permeable, the lid and straw are made from food grade silicone. This cup is 100% BPA free and Lead free, safe for your little ones health.Lovely Cartoon Design: Featuring bright-colored vivid fire dragon and rider piggy, these sippy cups are very cute and fashionable, will increase your babys interest, let them take to drinking water and grow healthy. The pattern is firm and long lasting, no fading.Ideal Capacity for Toddlers : With 250ml scale(maximum capacity 300ml), scientific intake of water and milk. Babies of 1-5 years old are not supposed to drink more than 220ml milk each time. This lovely cartoon cup is just the right size for all little boys and gilrs.Leak Proof Design: The valve and seal ring around the rim ensures great sealing performance,it won;t leak even you place it upside down. The double handle design is easy to hold in littles hands. The soft base rubber ring is comfortable to touch and avoids baby from scalding.Heat-Resistant Insulation Borosilicate Glasses: The material function is resisting high and low temperature. This cup can withstand -20 to 150 work condition, and 180 instantaneous temperature difference. it wont burst under the alternation of heat and cold liquid. Can be heating in Microwave oven directly.