Product DescriptionSpecifications: Item Name: Water Bottle Shoulder Bag Color: Black, Pink, Purple, Blue, Green Weight: 150g Package Include: 1/2/3pcs* Water Bottle Shoulder Bag Note: 1.The size of the manual measurement may have some error, please allow a deviation of 1-3 cm. 2. Due to different lighting and shooting conditions, the color of the image may differ from the actual product. "Alu-Tech" Aluminum Film Construction: Insulation meets durability. Step up from basic cloth bags. Crafted from advanced Aluminum Film Material, this carrier acts as a thermal shield, helping maintain your drink's temperature while offering a soft yet high-strength exterior. It resists daily abrasion, tears, and moisture, ensuring your gear survives rugged outdoor use. "Cinch-Lock" Drawstring Security: Never drop your flask. Active movement requires security. Our holder features an upgraded Adjustable Drawstring Closure that cinches tightly around the bottle neck. Whether you're jogging or climbing, it holds the bottle firmly in place to prevent accidental slip-outs, while the sturdy Top Handle allows for quick grab-and-go convenience. "Hands-Free" Adjustable Carrying System: Walk freely. Perfect for dog walking or hiking. The kit includes a Fully Adjustable Shoulder Strap that lets you wear the carrier crossbody or over the shoulder. It frees up your hands for holding trekking poles, walking leashes, or checking your phone, distributing the water weight comfortably. Scratch-Proof Bottle Armor: Protect your investment. Expensive stainless steel bottles dent easily. This carrier provides a Protective Barrier against drops, scrapes, and surface dings. It keeps your hydration gear looking brand new, making it an essential companion for expensive thermoses or sports cups during travel. Universal Fit "Hiker's Kit": Versatile compatibility.