Recent 23+ Child Proof Closet Doors. Want to open a day care home? Alibaba.com offers 34 sliding closet door locks child proof products. Preventing your child from using the door on its own. I am aware that they sell locks for these type of doors but they are ab. Child Proof Closet Doors - Child Proof Closet Sliding Doors Image Of Bathroom And Closet Use door handle covers or latches to keep toddlers from opening doors they shouldn't.