Come and see our amazing products. High Quality Materials: the horizontal inner layer is made of high borosilicate glass, the outer part made of silicone material and the ABS cover ensure the stable use of the level. The portable water bottle is designed with a capacity of 300mL, which is an ideal choice for children to use at home, school, and travel. Pls confirm with us about the packing info, stock color and exact production time before placing your order.