water purse

Many carriers are sized for large sport bottles. Common capacities mentioned are 40 oz and 64 oz, and some models offer specific 40/64 oz size options.

They typically include top or side handles for hand carrying, removable shoulder or crossbody straps, and adjustable straps so they can be worn over one shoulder or across the body.

Features that help include insulated linings (notably neoprene), water-resistant fabrics, and closures such as drawstrings or adjustable straps that keep bottles snug and reduce heat transfer and splashes.

Many slings include multiple pockets alongside the main bottle pocket, such as zippered utility pockets, mesh exterior pockets, phone pockets, and small accessory compartments.

Product details commonly list maximum widths of about 3.5 inches for many 40 oz carriers and up to about 5 inches for larger 64 oz options.

Customer reviews typically describe them as roomy with good storage and organization—many praise multiple pockets, the ability to fit large bottles, thoughtful design, and strong perceived value.