NEW UPGRADED DOUBLE LEVER LOCK SYSTEM: Compare with the general child safety door lever locks.Our locks is designed with double lock system which can't be opened by one-hand.It must be opened by hands.And the children couldn't figure it out .So,It makes more additional safety and stably for kids.No more worrying about the children opening the door by casually. PRIME QUALITY AND MATERIAL: Unlike other door lever locks on the markets. Safety door lever locks is made of Environmentally friendly ABS material.Not pungent,No smell.Never mind your childContactwith substances,highly polluting materials.All we want to do is give your child more safety protection. EASY INSTALLATION,SAFETY REMOVE: No need screws,No need drilling,For install,What you need to do is only Peel the tape and paste it(GLUE SIDE) onto the surface of the door or anywhere u want.It will keep sturdy and stable.And it will not Scratch the surface of the door if you removed the locks from door.Apart from this,Production with prime quality material,The childproof door locks is very light but rugged and durable.'t worry your child damage it. AND CONVENIENT: There are 4 pack in one set, you can anywhere you want. The lever handle lock makes your house all-round safe.Installing them to the entry of baby room / bathroom / bedroom / corridor / basement / home office or any door you 't want your child to open. Colour: white Material: ABS Package Contents: 4 * Locks Only the above package content, other products are not included. Note: Light 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.