Thank you for viewing! This item is unopened. Size: L Material: Silicone Features: Non-slip, rainproof, dustproof, durable, high elasticity. Not easy to wear out. Foldable waterproof shoe covers, lightweight and easy to carry, can be easily put in your shoes or bag. A perfect choice for unexpected rainy days. Not disposable, environmentally friendly, odorless. A necessity for students and office workers. Often used for travel and sports. The non-slip function also makes them suitable for mountain climbing.