These window security bars are made of reliable plastic material, which is practical and durable for use. Corrosion resistance, fine workmanship, no burrs, great window protection parts from burglars, can secure your patio door, sliding glass door, and sliding windows. Features -Color:Black -Material:Plastic -Size:5.00X1.50X1.20cm/1.97X0.59X0.47in - Our sliding door lock can fasten tightly, adds secure to your home, while personalized match and upgrade the appearance of your house. - The sliding door lock allows you to leave sliding windows and doors securely position. - Light weight, easy to use. Sliding door lock is great part replacement for your broken or old window security locks. - Whether you are looking for a way to lock replacement, or as part of your baby proofing house setup, this window can meet your needs. - Made by plastic, window locks security are , increases the security on the sliding windows. Package list: 10 x sliding door locks