Specifications:   Material: steel wool   Color: Silver   Packing: 1 rolls of steel wool wire Size: 3 ft x 1 Features: 1 rolls of 3 ft wire wool for  crack and hole filling, easy to DIY, for ventilation ducts, garage, garden, house   Soft and tough, the scissors can be easily cut to the right length to plug any shape of gaps and holes   Wire wool is made of thousands of metal wires, which are similar to wool but very strong   It creates a strong, ventilated barrier that prevents small animals from entering   Matters needing attention: Keep the wire wool away from children and pets to avoid swallowing or cutting by the product. It is recommended to wear gloves when operating the product. If you operate the product empty-handed, wash your hands after the operation and avoid rubbing your eyes