This Oxford fabric ice bag water bottle bag is made with high-quality, durable Oxford cloth, combined with insulated pearl cotton and aluminum foil, offering multi-layer protection to maintain your bottle's temperature during long outdoor use. Its unique round design wraps various types of water bottles perfectly, effectively isolating external heat and cold to prevent temperature loss. Whether it's keeping your drinks cool in the hot summer or warm in cold weather, it performs excellently. The bag is also highly durable, waterproof, and resistant to impact, making it ideal for outdoor sports, travel, camping, and more. With a simple, stylish design, it's easy to carry and an essential accessory for outdoor enthusiasts and everyday use. Logo customization is available-contact us for detail