UPGRADED HIDDEN HANDLE DESIGNHidden handle design allows adults to pull out the baby proofing outlet covers with the handle easily but makes it difficult for kids to open. The Circular edge design is difficult for babies to grab and take out outlet cap, while it is easy for adults to remove and do not hurt their nails. HIGH QUALITY ABS MATERIALCrafted with premium ABS eco-friendly insulation resin material, these sturdy material is wear-resistant, durable, reusable and not easily broken. Keep your children and pets away from power hazard. SUPER EASY TO INSTALL AND USENo tools are needed to install the outlet plug covers. 1. Press the outlet cover into the outlet.2.Pull the handle in the direction indicated. 3. Hold up the handle. 4. Pull out the outlet cover. WIDELY USED Perfect for all kinds of standard 3-prong outlets and power strips. The white outlet covers blend perfectly with your outlets, which are not easy to attract childrens attention. MULTI-SCENE APPLICATION32 in a pack. It is compact and portable, ensuring the safety of your children at home, office, garage, restaurant or vacation house at all times.