This is a plastic child lock to protect the safety of your baby. There are short and long types, with 5 short ones and 4 long ones. The box has been opened and shows signs of use, but the product itself is clean. - Brand: Hion - Product Name: Baby Guard Child Lock - Material: Plastic - Purpose: Baby safety measures Thank you for viewing. Here's a brief explanation: The child lock is a combination of long and short types, which can lock areas you don't want your child to open, such as refrigerator doors and sliding doors of cupboards, protecting your baby from dangers like accidental ingestion of contents and finger pinching in doors. It uses strong double-sided tape that won't damage furniture, and is designed to leave minimal residue when removed, so it won't harm furniture or doors. It's transparent and unobtrusive, making it easy to match any interior. Baby door locks can prevent accidents for small children and pets, and are also useful for earthquake preparedness and dementia care.