✅Medium Size: 11.22"*5.51"*5.91" Inch (L*W*H), waist strap can adjust range 28 to 50 Inch/2.3 ft to 4.6ft, water bottle holder can accommodate a diameter of 3"（about 25 oz bottles).
✅Muti pockets: Great to hold cell phone, keys, purse,fitness gear,money.Dual water bottle holders,two exterior front zipper pockets,two exterior side zipper pockets to keep your stuff separate and organized.
✅Multi-purpose: Adjustable and comfortable strap,unique design straps ease the pressure on waist. Also come with a long and fully adjustable strap, it can be use as shoulder bag.
✅Design: Wear-resistant nylon, breathable mesh lumbar, This waist pack made with high-quality waterproof nylon fabric and the fabric combines thin durable and lightweight in one.
✅Lightweight: Outdoor lightweight and practical waist pack with to carrying enough water and gear for a day hike, camping, cycling, fishing, etc.