Borosilicate glass bottle with reusable neoprene sleeve Ideal for carrying alkaline water or other drinks with you anywhere. Capacity 500 ml. ECO: Free of lead and heavy metals. The lid is screw and the material is stainless steel. It does not retain odors or flavors. Accepts hot and cold drinks. Can be washed by hand or in the dishwasher. Ice cubes can be inserted. Neoprene cover protects the bottle from breakage. Borosilicate glass does not contain toxic substances. It is a special glass with fine pores, clear and light and with a particularly beautiful shine. It's tasteless and odorless. It does not change color and has high chemical and mechanical resistance. It is a very strong and durable glass suitable for heat-resistant utensils such as baking trays or ceramic hobs. Most of today's quality laboratory glasses are made of borosilicate glass. In medical technology it is also used