Winterial 40-Ounce (Oz) Insulated Water Bottle, Vacuum Sealed Double Walled Thermos to Keep Your Drink Hot or Cold CORROSION RESISTANT STAINLESS STEEL BODY- holds 40 oz of your favorite beverage and manufactured from lightweight, corrosion resistant premium grade stainless steel, and perfect for durable, everyday use! LEAK PROOF & PERSPERATION PROOF- The double wall insulation prevents having to worry about leaving a ring on your table or your valuables being damaged due to excessive perspiration. The bottle will also not heat up when filled with hot liquids, so you never have to worry about burning your hands on the outside of the bottle KEEPS LIQUIDS COLD 24 HRS & HOT FOR 12 HRS!- Double- wall vacuum insulation allows for you to keep your beverages at the optimal tempature all day! HIGH QUALITY POWDER COAT MATTE FINISH-never sweats!!!! 100% SATISFACTION OR YOUR MONEY BACK - Winterial offers a full money back guarantee for any defects or unsatisfied customers for 30 days!