Durable & Insulated Material：Crafted from high - grade, wrinkle and scratch - resistant fabric that resists tearing. The main compartment features an aluminum foil insulation layer, keeping your water bottle at the ideal temperature for long outdoor escapades. Comfortable & Adjustable Strap：An adjustable, padded shoulder strap fits all body types, ensuring hands - free convenience. It offers comfort whether scaling trails or walking in the city. Ideal Size：Measuring 4.72x8.85 inches, it's tailored for 32 - ounce water bottles (not for 40 - ounce handled ones), suiting various outdoor activities. Convenient Design：A 7 x 4.7 - inch front pocket stores phones, cash, and cards, eliminating the stress of misplacing small items. Perfect Gift Choice：Stylish and practical, it's a great anniversary, birthday, Thanksgiving, Christmas, or Valentine's Day gift. Suitable for both adventure lovers and urban dwellers. (Patent Pending)