Amazon has OKEFAN Sliding Glass Door Child Safety Lock for $3.97, which is 73% off its original price of $14.95. Clip coupon and use code: 40GU3KX7.
Product Description: Keep doors and windows secure with this child-proof sliding door lock. Easy installation, no drilling required.
- Child proof safety lock for sliding doors and hung windows.
- Safe design with double button operation.
- Made with high-quality materials for durability