?PERFECT SET?Small size hydration backpack water backpack: 16.5 x 9.5 x 2.8 inch with adjustable shoulder/ chest/waist straps. Comes with a 70 oz / 2 Liter BPA FREE food grade hydration bladder made of PEVA material
?THERMAL INSULATION 4 HOURS?The main compartment contains an insulated pocket, keep your bladder drink cool for up to 4 hours, that's cool!
?REPLACEABLE 2L BLADDER?The opening is a large design, with an extra-wide diameter of 3.1 inches screw cap, which makes for easy pouring of water and putting ice inside, removable drinking tube
?LIGHTWEIGHT & SPLASH RESISTANCE & DURABLE?Perfect outdoor sports gear, made of lightweight and water-resistant nylon material, padded shoulder straps, comfortable for long-distance running, hiking, cycling
?MULTIPLE STORAGE COMPARTMENT?This hydration pack has multiple pockets, a lot of pockets can store various necessities outdoor. The front mesh pocket allows you to pack even more hiking equipment