Come and see our amazing products. The silicone transparent glass bottle with rope 17oz is made of high borosilicate glass. Very durable, crack resistant, high temperature resistant, free of BPA, BPS, PVC, lead and cadmium. There is a layer of silicone on the outside to prevent your hands from being burned. In addition, custom logos are welcome outside, please contact us. Pls confirm with us about the packing info, stock color and exact production time before placing your order.