Double Wall Vacuum InsulationDesigned with double walled vacuum insulation, featuring superior insulation and a condensation proof design. Volhoply Water bottle can keep hot for 12 hours and keep cold for 18 hours, allowing you to enjoy your favorite flavor in the long run. Made for outdoor lovers, our water bottle is the best choice Spout Lid and Straw Lid with Wide HandleUnlike other lids, our lids handle have been improved, each lid comes with three fingers wide handle.Able to hold three fingers, relieve finger pressure while walking. Spout lid allows for fast water flow suitable for hot drinks. Straw lid suitable for iced beverages. You can choose more suitable lid to match bottle according to their drinking habits and usage scenarios. Premium MaterialConstructed of 18/8 food-grade stainless steel, durable and unbreakable. All components are non toxic, Lead Free, BPA free and environmentally friendly. Electro polished inside, highly resistant to rust. Giving