Wide range of applications: approximately 14.96 by 4.33 inches; easily replaces most scooter wheels to meet different needs. These ski sleds fit a variety of snowy environments. Easy installation: conversion kit is easily replaceable and takes only a few minutes, with no complex installation process. Durable and wearresistant: designed with a sturdy structure for longlasting use; built to withstand winter conditions and provide reliable performance. Upgraded family fun: install on the wheels to turn your sleigh into a performance snow scooter, enhancing the snow experience for the whole family. Use scenario 1: family winter outings in backyards or parks, swapping to snowready wheels to glide on packed snow or light powder with minimal setup. Use scenario 2: at ski resorts or snowy neighborhoods, quickly converting a standard scooter for efficient travel and playful snow rides on various terrains. Use scenario 3: school or community snow events, where fast, tool conversion supports group activities and shared fun without complicated instructions.