Common materials include neoprene, polyester or polyethylene blends, and silicone. Some wearable straps are also made from textile fabrics.
Many holders target popular large tumblers and commonly list compatibility with 30 oz and 40 oz sizes, including 40 oz tumblers with handles.
Straps are typically adjustable and often removable. One listing specifies an adjustable padded shoulder strap that extends from 27.5 inches to 50 inches.
Many carriers include pockets or zippered front pockets. Descriptions mention configurations such as two front pockets or multiple pockets sized for phones, keys, and cards.
Yes. Neoprene and similar materials are described as insulating and water-resistant, helping protect cups from scratches, bumps, and temperature changes.
Some holders include extras such as a straw cover, a carabiner clip, removable straps, or closures like drawstrings to secure the bottle.