These running waist packs are made from TPU (thermoplastic polyurethane), a durable, water-resistant material commonly used for athletic gear.

The main pouch measures about 8.07" x 5.51"; overall dimensions are listed as 8.07 x 5.51 x 8.07 inches. The pouch is sized for small valuables such as keys, cards, earphones and a phone-sized item (compact smartphones or slim accessories).

These running waist packs fit waist sizes from 33" to 53" (84.5–135.5 cm), adjustable via the strap to accommodate a wide range of users.

You can wear the waist pack in front (at the waist), on the back hip, or slung over the shoulder, depending on comfort and activity.

These waist packs are suitable for most outdoor and everyday activities, including running, jogging, hiking, walking, cycling, camping, picnics, travel, shopping, and walking the dog.

The packs have a single main pouch with no internal compartments or pockets, designed to hold small essentials.

The package includes one running waist pack. No batteries are required.