Material: The safety cover is made of plastic material, eco-friendly, the shape and are so smooth without any corners, and strong enough, safe for baby. Easy to Install: No tools required, No drilling needed, the adhesive can firmly attach to any , removing it not cause any damage. Door Safety Deadbolt Lock for Kids: The deadbolt lock protective cover can prevent children from opening the deadbolt by themselves, safe and secure. Easy to open with one hand for adults. Installation conditions: Lock height less than 25mm, width less than 43mm, Please measure the drill hole distance for a correct fitment. Child Proof Deadbolt Lock Size: 59x44x25MM (2.3x1.7x0.98inch). Easy ti install without any tools and no drilling need. Just heat with a hairdryer and it loosen the adhesive, easy to remove without any damage. Installation conditions: Lock height less than 25mm, width less than 43mm, Please measure the drill hole distance for a correct fitment. Our child proof deadbolt lock is an ideal choice to prevent your from opening doors. and more . It can be a perfect decoration for your house Colour:Black Material:plastic Package Contents: 2 x deadbolt child safety lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.