Come and see our amazing products. The produce is made of stainless steel and silica gel. These stainless steel cups for kids are safe, lightweight, made for small hands. These silicone sleeves let your hands in comfort and safety, with no worries about harsh hot or cold shocks also identifying which cup is yours, have no leaking problems with the lids. Dishwasher safe. The cups are light, easy to clean, and the mugs can be stacked, and the edges of the cups are smooth. Pls confirm with us about the packing info, stock color and exact production time before placing your order.