Thank you for viewing! ^_^ This is a free-size, stretchy running pouch. Despite its compact size, it can securely hold your smartphone, keys, wallet, cards, and more! *It is not completely waterproof. Please be aware that it is not suitable for prolonged use in the rain or submersion in water. *Other colors are also available. *A set of 2 is also available for purchase. If you wish to purchase a set, please write in the comment section (a discount will be applied). *Please note that this is an imported product (no-brand product), so there may be some imperfections in the construction. *There may be slight measurement errors. *The color may appear different depending on the monitor used. *To offer it at a low price, we use the most affordable, simple packaging. We also compress or fold the product for packaging.