The SPIbeltA(R) expands to hold larger smartphones; including the iPhoneA(R) 13 Pro Max and Samsung GalaxyA(R) S20+. This fitness belt is called one of the best running belts for marathon runners, but its use doesn&';t stop there. It is perfect for walking, working out, travel, medical needs, and so much more. Keeps all your exercise accessories, headphones, keys, ID, and credit cards safe, secure, and close at hand. The SPIbelt expands to carry what you need. Made in the USA: Austin, Texas 8" x 4" x 2" pocket holds larger smartphones and more! Fits waist size 25" through 47". Need a few more inches added to the waistband? Get our Belt Extender. Bounce-free Expandable, secure, low-profile pocket Comfortable, soft elastic prevents chafing Sturdy buckle and glides for even the most active users