Elite Vero Tritan Bottle; The Elite Vero Tritan Bottle is perfect for storing drinks for prolonged periods without them ending up tasting of the bottle or the bottle tasting of them Tritan is an advanced co-polyester which is tough & durable The flip-up 'outdoor' drinking cap folds down & flush with the cap to reduce the chances of it opening Fits into standard bottle cages Dishwasher safe & BPA free