sendestar 40 oz double wall vacuum insulated leak proof stainless steel sports water bottle—wide mouth with straw lid & flex cap & spout lid (cobalt) sendestar keeps beverages hot for up to 12 hours and cold for up to 24 hours, the insulated water bottle is a great gift for any occasion. the water bottle is double-walled and made from high quality food grade 18/8 stainless steel that will maximize strength and integrity. the exterior of the vacuum sealed area is dipped in copper for added insulation. copper reduces the transfer of temperature. the spout lid is perfect for the beach, camping, the flex cap fit for office and hiking, while the straw lid is suitable for cycling and road trip. item specifications:condition: 100% brand newitem type: drinkwaredrinkware type:vacuum flasks & thermosesmaterial: metal metal type:18/8 stainless steel shape: straight cuptheme: outdoorscolor: pink, pink+yellow,mint/cobalt, sky blue, cobalt, blackcup surface: powder coatingstyle: moderncapacity: 32oz. 40oz material:18/8 stainless steel water bottle, bpa free leak proof lidpackage includes: 1 x vacuum flask, 3 x different lids, 2 x straws, 1 x cleaning brush notice: 1.do not put the lid in oven, microwave, fridge or dishwasher to avoid damage. 2. before first use wash with detergent to completely clean the products, then rinse and dry. 3. please make sure that the internal rubber seal correctly lines up within the cap lining before use to avoid leakage. 4.it comes with two separate straws that can be cut to fit your wide mouth water bottles. 5.please do not store sugary drinks in the water bottle for more than 24 hours. please do not over-tighten the lid and do not force it open.