I purchased this new and have stored it at home. For snowy roads, packed snow, and icy roads! For gathering wild plants, mowing grass, and leisure activities! Easy to attach to everything from boots to sneakers! These easy-to-attach non-slip devices are perfect for mountain climbing and snowy roads. - Model: One-Touch Non-Slip M - Size: 23.5-26.0cm (stretchable type) - Features: Easy-to-attach non-slip Thank you for viewing.