The no-drill installation of this sliding window lock makes it an excellent choice for those who want to avoid permanent alterations to their windows. Its secure locking mechanism ensures that windows remain safely closed, while the adjustable design accommodates different window type. This lock is a must-have for childproofing your home. Features -Color:Transparent -Material:Iron,pvc -Size:10.30X7.10X0.60cm/4.05X2.79X0.24in -Size:7.10X4.70X4.60cm/2.79X1.85X1.81in (Upright window lock) -Playful airplane shape: the airplane design adds a delightful and engaging touch to your window security -Simple installation: no drilling required, making the setup process easy and convenient -Safety for children: ensures child safety by restricting window openings, preventing accidental falls -Fits multiple window types: compatible with sliding and casement windows, providing versatile use -Sixpiece package: includes six locks, ideal for securing multiple windows in your home Package list: 6 x Sliding Window Locks