DURABLE MATERIAL & 148 cm WIDE- Our durable baby and pet gates are made of PVC mesh, ABS plastic and iron and all parts are non-toxic; door & stair gates secure entryways up to 55" (148cm) wide and 31" (79cm) tall, ensuring safety for babies and pets. NO-DRILL/ADHESIVE KIT- We understand that drilling affects your walls, and that’s why we have both drilling and non-drilling installation accessories. In this way, we offer you the freedom to choose between both methods at your ease. DUAL LOCK- This baby gate has a dual safety lock mechanism for the added safety of your babies and pets. This mesh stair gate automatically rolls up to save space. Rotate the circular button clockwise or anticlockwise to lock or unlock the baby gate. MULTIPURPOSE- You can install this retractable stair and baby gate anywhere in your house, such as stairways, kitchens, hallways, and doorways, indoors or outdoors, ensuring a safer environment for your baby. SINGLE-HAND USAGE- You can easily operate this retractable stair gate with one hand while holding your child. Just two easy steps to open/close it. Its retractable design can also save you a lot of trouble & save much space by automatically retracting to a roll after release. CAUTION: This baby gate is only suitable for flat, hard walls or solid wood surfaces. Do not install at the top of the stairs, as an unlocked gate could lead to falls. Always ensure the gate is securely locked for safety.