Description: As the window latch lock is self adhesive and without any residue, it will not cause damages to the fly screen and can be installed easily. The window part is rustproof, corrosion-resistant and waterproof, which allows you to use it for a long time. And it is strong adhesive, so you can fix it firmly. Made of PVC material, it is durable and not easy to break. The length of the lock is 7.7cm, the width is 1.3cm, and the thickness is 0.8cm. It is suitable for the insect screen of the kitchen, office, living room, children's room, workshop, etc. Item Name: Window Latch Lock Material: PVC Features: Easy Installation, Self-adhesive, No Drilling Size Details: 7.7cm x 1.3cm x 0.8cm/3.03" x 0.51" x 0.31" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style A: 1 x Window Latch Lock or Style B: 8 x Window Latch Locks or Style C: 12 x Window Latch Locks