Vacuum InsulationCOKTIK insulated stainless steel water bottle has carefully chosen doublewalled vacuum insulation technology Drink will be kept warm for 12 hours and kept cold for 24 hours Doubled walled function resists condensation on its outer layer MaterialOur water bottles are made out of highquality 188 stainless steel and are no BPA or any other toxins The powder coat exterior finish is a classic Includes 2 LidsThe drinking bottle is equipped with two individual lidsstraw lid spout lid Carabiner Straw Lid with 2 Straws there is a hook on the spout lid that can be hung on bags for easy portability All lids are no BPA leakproof and dustproof catering to your needs Fits Into Cup Holder22 oz size fits most cup holders For example car cup holders and bike racks It is great for hiking biking boating gym work and school and home NOTE ONLY the 22 oz model fits in cup holders List of Items Included in ProductCOKTIK Insulated Water Bottle 2 lidsstraw lid and spout lid 2 straws 1 cup brush Professional customer service