A phone arm pocket that keeps your phone on your arm, not bouncing in your hand. An adjustable arm sleeve built to carry a phone, keys, or card during runs, walks, gym sessions, and daily errands. The breathable polyester sleeve fits snugly without slipping, while a secure pocket keeps the phone in place. Available in multiple sizes to fit different arm widths. Why this phone arm pocket works Adjustable strap: Snug, slip-free fit on different arm widths. Breathable polyester: Light material that does not trap heat during a workout. Secure pocket: Holds phone, keys, and a card so essentials stay with you on the move. Fits phones up to 6.5 inches: Works with most modern phones, depending on case bulk. Multiple colors and sizes: Choose the color and size that fits your arm and your kit. Specs and details Material: Polyester, milk-silk feel Fits: Phones up to 6.5 inches Sizes: S, M, L (S 22 to 27 cm arm, M 26 to 32 cm, L 30 to 38 cm) Colors: Black, Blue, Yellow Use: Running, walking, gym, daily commute Want more tech for your setup? Try our 20-in-1 Electronics Cleaning Kit for Screens.Frequently asked questions Will it fit my phone with a case on?Most slim cases fit fine. Bulky cases with grip rings or heavy wallets attached may not slide easily into the pocket. Does it bounce while running?A well-fitted phone arm pocket should stay still during runs. Tighten the adjustable strap for a snug, slip-free fit. Is the fabric breathable?Yes. The polyester milk-silk material is light and designed to stay cool during workouts. How do I pick the right size?Measure around your arm at the spot where you plan to wear it. Compare against the size chart: S fits 22 to 27 cm, M fits 26 to 32 cm, L fits 30 to 38 cm. A simple, breathable phone arm pocket for runners, walkers, and gym-goers. Replaces stuffing a phone in shorts pockets or holding it in hand. What type of product is this?Running Armband.