1.[Double Wall Vacuum Insulation]Designed with double walled vacuum insulation, featuring superior insulation and a condensation proof design. 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 nice choice. 2.[Spout Lid and Straw Lid with Wide Handle]Unlike 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. 3.[Premium Material]Constructed of 18/8 food grade stainless steel, durable and unbreakable. All components are non toxic, Lead Free, BPA and environmentally friendly. Electro polished inside, highly resistant to rust. Giving you a clean tasting drink every time Premium Powder coating a steady grip without slipping from sweaty palms and will not fade or fall off. 4.[Multi Pack and Color Options]We provide a variety of fashion color for your choice.Since the bottle has no ,it is perfect for laser engraving.At the same time,we provide discount packages of 2 packs,4 packs and 8 packs.Let you one purchase to meet the needs of the whole family.