Description This is a sliding window safety lock which are made of premium material for durable and practical use. Tools for instantly lock sliding doors and windows. No need to drill holes, prevent forced prying of windows from the outside, protect your safety and family safety. Features -Color: Silver. -Material: Stainless steel. -Size: About 6.70X3.70X3.60cm/2.63X1.45X1.41in. - Our window locks are made of stainless steel, durable and thick. No additional tools are required and no need drilling. - Can fix the window in place and cannot be pulled or opened, effectively anti-theft device. - Effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air. - You can use the window locks to fix the window, it can prevent children from falling and prevent thieves. - Perfect and suitable for balcony sliding doors, sliding glass doors, sliding windows and so on. Our window locks are made of stainless steel, durable and thick. No additional tools are required and no need drilling. Can fix the window in place and cannot be pulled or opened, effectively anti-theft device. Effectively prevent your child from opening the windows by his own, anti-theft and keeping the fresh indoor air. You can use the window locks to fix the window, it can prevent children from falling and prevent thieves. Perfect and suitable for balcony sliding doors, sliding glass doors, sliding windows and so on.