CompatibilityDesigned specifically for Whoop 4.0 fitness trackers, ensuring a perfect fit and optimal performance.Premium MaterialsCrafted from a blend of polyester, nylon, and spandex with zinc alloy components for durability and comfort.Adjustable FitWith a wrist circumference range of 150mm-232mm, this band accommodates a variety of wrist sizes for personalized comfort.Lightweight DesignWeighing only 13.6g, this band offers a barely-there feel for all-day comfort during activities and sleep.Easy to InstallationThe strap is easy to install and remove, giving your device a new look easily.Specifications:Material: Polyester, Nylon, Spandex, Zinc AlloyDimensions: 232mm x 25mmWrist Circumference: 150mm - 232mmWeight: 13.6gCompatible with:WHOOP 4.0Package included:1 x Wrist StrapNot included other items Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia