Klean Kanteen Stainless Steel Bottle with 3.0 Sport Cap (2 PK: Orange Flame/B... Slim design fits in most cup holders No BPA, phthalates, lead, or other toxins;18/8 food-grade stainless steel, no liner Does not retain or impart flavors Rounded corners are easy to clean with no hard angles where dirt or bacteria can stick Fits in most standard bike cages