Double Wall Vacuum Insulation and Nice SizeDesigned with double wall 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 The bottles fit on the car bike cup holder and inside the backpack for your hiking biking beach camping and fitness Lid with Wide HandleAfter market research we redesigned this cup lid 1 The thickened version of the waterproof rubber ring is used to make the seal more secure 2 Our lids handle have been improvedAble to hold three fingers relieve finger pressure while walking 3 The straw is made of soft PP material to ensure that it will not break after long term use Multi Pack and Multi Color OptionsWe provide a variety of fashion color for your choice 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 Premium MaterialConstructed of 188 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 you a clean tasting drink every time Premium Powder coating offers a steady grip without slipping from sweaty palms and will not fade or fall off Satisfaction and Guarantee We are proud of the quality of our products and take responsibility for our customer purchase behavior If there is any problem with the product please contact the customer service of the store as soon as possible and we will definitely give you a satisfactory solution