Hydro Flask 21 oz (621 ml) Standard Mouth Hydro Flask

The flexible strap makes it easy to carry, and the insulated cap guarantees leakproof, on-the-go convenience. Stay refreshed effortlessly with this BPA-free, top-rack dishwasher-safe cap designed for all Hydro Flask Standard Mouth bottles.18/8 pro-grade stainless steel cap for pure refreshmentThe flexible strap is easy to transport and comfortable to carryInsulated stainless steel cap for maximum temperature retentionLeakproofTop rack dishwasher safeBPA-Free