From now on, in addition to outdoor activities, these are excellent items to help with snow対策 (snow countermeasures), ensuring safety and preventing slips. They are easy to put on and take off, and being made of rubber, they can be rolled up for compact storage when not needed. Rubber outdoor shoe accessories with anti-slip spikes. - Model Name: VAT SPEED SL - Country of Manufacture: China - Material: Rubber - Color: Black - Features: Anti-slip metal spikes. Please be aware that they may slip on asphalt, concrete, and metal surfaces (such as iron plates). Thank you for viewing.