YUYAKESHI Water Bottle Cover, InsulatedCold Water Bottle Holder, Fits 400-1500ml Water Bottles, Various Sizes, Shoulder Strap, Oxford Cloth, 3-Layer

[Three-Layer Bottle Cover with Strap] Material: Waterproof Oxford cloth, 3mm warm cotton. Size: Cup cover closure height 3.5cm, closure can be tightened. Cover thickness 3mm, strap length 70-140cm. Color: Cover inner diameter * total height: Black No. 6 [10.3 * 35cm] [Design] Available in two colors: black and red. 1. Thick, three-layer material for heat and cold insulation. 2. Detachable, adjustable 140cm shoulder strap. 3. Suitable for a variety of bottle sizes, from 400 to 1500ml. 4. Durable metal hook. 5. Convenient to carry. Multiple carrying options available (handle, shoulder strap, crossbody, belt, or hiking hook). 6. The drawstring closure features a locking design, making it smooth and non-stick, allowing for repeated use. [How to Measure Your Bottle Correctly] You need to measure your bottle size before purchasing. Measure the total height of the bottle and the height of the bottom edge of the bottle cap, then measure the diameter of the bottle. *Note: When measuring the bottle, the diameter should be the largest diameter of the bottle. (Some bottles have different diameters at the top and bottom, so remember to measure the largest point on the bottle body.) [How to Choose the Size of Water Bottle Cover] Depending on your needs, you can choose between full and half-coverage. A half-coverage means that the bottle cap is exposed when the drawstring on the cup cover is tightened. 1) For full-coverage, choose the size based on the total height of the bottle. *The height of the water bottle cover must be at least 3.5cm greater than the total height of the bottle. 2) For half-coverage, choose the size based on the height of the bottom edge of the bottle cap. *The total height of the water bottle cover should not be higher than the height of the bottom edge of the bottle cap. The diameter of the water bottle must be smaller than the inner diameter of the water bottle cover. [Uses] Can store umbrellas, plastic bottles, thermoses, and other bottles. It is convenient to take bottles with you when you go out. Can be hand washed.