Copco Hydra Bottle, 20-Ounce, 4 pack, (Blue, Purple, Pink, Lime) Durable, single-wall, BPA-free Tritan plastic construction Easy to fill twist-body allows you to add ice cubes, lemons or limes Spill-resistant sealing lid; textured, non-slip sleeve and tethered cap Holds 20-ounces; will fit standard cup holders Hand washing recommended, top-rack dishwasher safe