WHY YOU NEED IT: to prevent children from frequently opening the oven when adults aren't looking; to prevent children from hurting themselves while playing with the oven door; to protect children from dangers in the kitchen. HEAT-RESISTANT AND DURABLE: You will receive two oven locks, the oven locks are made of PC materials, safe and durable. When using the oven, the high temperature will not damage the oven locks or burn your hands. ROTATING DESIGN: The Baby Safe Oven Door Lock is designed with two knobs that can be operated with one hand and can be rotated 180 freely. Locking and unlocking can be done with one hand. Press and hold both buttons, then turn them 90 to unlock them and press the button again to lock them. KEEP CHILDREN FROM ENTERING THE KITCHEN: This screwless safety lock can be easily installed on the oven door so that your children cannot open it, for maximum security! EASY TO INSTALL: Use the durable, heat-resistant 3M adhesive tape to install the oven lock without drilling holes or using tools. 3M tape is very adhesive (best after 72 hours). It leaves no residue when removed and does not damage oven surfaces.