Come and see our amazing products. The Natural Bamboo lid is an attractive, safe, and practical material that gives a premium look that sets itself apart from any other tumblers. The lid is well stationed on top that prevents it from leaks and spills while also being clean.Food Grade silicone is a non-toxic type of silicone that does not contain any chemical fillers or byproducts, making it safe for use with food. The 20 oz Glass Tumbler is made of Food Grade silicone with a 2.9"- 7.4" design, which can fit in most car cup holders. With a wide mouth slot, you can easily put coffee powder, ice cubes, etc. which is also easier to clean later on.The silicone sleeve comes with a different variant of colors to easily identify your drink on the table. Pls confirm with us about the packing info, stock color and exact production time before placing your order.