SPIbelt Original Pocket Running Belt: Keep your phone, keys and small personal items safe and secure while running, walking, hiking or traveling. The perfect phone holder for running. Adjustable waist. Bounce-free! Phone Holder: Compatible with most all phone models including iPhone (11, 11 Pro, 11 Pro Max, 12, 12 mini, 12 Pro, 12 Pro Max, 13, 13 mini, 13 Pro, 13 Pro Max); Samsung Galaxy (A10e, A20, A50, Fold, S10, S10 5G, S10+, S10e, S20, S20 Ultra, S20+); Google Pixel (3a, 3a XL, 4, 4XL, 4a, 4a 5G, 5), Samsung Z Flip. Expandable, No-Bounce Pocket: The pocket lies completely flat and expands to 9" x 4" x 2" inches to accommodate essential supplies such as larger phones, passport, exercise accessories, keys, ID, credit cards and more. Adjustable Waist Size: The 1" wide soft elastic belt prevents chafing and does not bounce. Fits waist sizes 24" through 47". Sturdy buckle and construction for even the most active user. Empowering Active Lifestyles: Designed for runners that need a slim phone holder that won't bounce but large enough to carry most phones. Works great as a travel belt or money belt. SPIbelt is a woman owned company in Austin, TX.