Description This insulated hydration bladder bag features advanced thermal insulation to keep your water at the ideal temperature during hiking, climbing, or backpacking. Its lightweight construction and hydration bladder insulation cover ensure convenient portability, secure storage, and protection from harsh elements, making it an essential solution for any adventure. Features -Color:Black -Material:Polyester -Size:41.00X19.50X0.50cm/16.11X7.66X0.20in -Advanced thermal insulation: the insulated hydration bladder features highperformance materials that maintain water temperature, making it ideal for hiking, camping, and any outdoor hydration solution thermal bag needs -Portable and lightweight design: this hydration bladder insulation cover is crafted for easy transportation, ensuring you stay hydrated without being weighed down during climbing or backpacking adventures -Water quality preservation: the hydration pack thermal sleeve protects the taste and freshness of your water, acting as a water bladder bag for cold weather and preventing any unwanted changes -Effortless cleaning and refilling: enjoy convenient access to your outdoor water storage thermal bag with a wide opening, making cleaning and refilling the bladder bag pouch quick and easy -Durable waterproof exterior: designed with a strong waterproof layer, this hydration bladder protective bag keeps your water safe from external moisture and extends the longevity of your gearPackage list: 1 x outdoor thermal water bag