Photo 1 of UTOBEST Insulated Insulation Bag for 2L Hydration Water Bladders, 50mm Thick Thermal Insulation, Lightweight Water-Resistant, Prevents Freezing and Keeps Water Cool, Bladder NOT Included

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Photo 1 of UTOBEST Insulated Insulation Bag for 2L Hydration Water Bladders, 50mm Thick Thermal Insulation, Lightweight Water-Resistant, Prevents Freezing and Keeps Water Cool, Bladder NOT IncludedPhoto 2 of UTOBEST Insulated Insulation Bag for 2L Hydration Water Bladders, 50mm Thick Thermal Insulation, Lightweight Water-Resistant, Prevents Freezing and Keeps Water Cool, Bladder NOT Included