PREVENTS UNBUCKLING: Does your child know how to unbuckle their seat belt? This belt buckle blocker will prevent your child from slipping out of their restraint system. IMPORTANT - ONLY SUITABLE FOR REMOVABLE BELTS: Please check before purchase - car seat belt must be removable. This car seat buckle must be inserted through a belt opening. CHEST POINT POINT FOR SEAT BELT: With this car seat belt buckle, the seat belt stays properly positioned on the pelvis and your child's chest. PACKAGE INCLUDES: 2 baby car seat safety belt clips, which allow you to drive without having to constantly look behind you. Has your child discovered how to open the child seat belt lock? Does your child lock regularly while driving? This safety gate can prevent your child from climbing out of the belt system. 2-pack of safety guards Car Seat Safety - Black - For slip-on over car seats In order to mount this safety strap on your child seat, the chest straps must be removable. For most child seats, an unlocking in for The seat belt tensioner is built into the back. If you can't put on the car seat belt, you can't use this chest protector. Set of 2 car seat safety protectors - Black - For slipping over car seats Fitting the car seat safety is simple: 1. Take the child seat out of your car and turn it backwards. 2. Now open the seat belt fastener on the back and run the seat belt from back to front. 3. Now you place the locking buckle on both chest straps. 4. Now pass the seat belt tabs through the front of the seat to the rear. 5. Finally, you close the seat belt fastener at the back and mount the child seat in the car.