Material: This no-drill shower caddy is made of ABS plastic with space aluminum railings, which is highly resistant to corrosion and rust. All screws are made of 304 stainless steel and will not rust. Board size before stretching: 28 × 12 cm, board size after stretching: 44 × 12 cm. There are six hooks on the sides for hanging towels or shower balls. Comes with shower seat for hanging the shower head. Unique retractable design: The shower shelf divider has a unique retractable design that extends 44 cm from left to right and provides double the storage space. The grid design of the base panel promotes better ventilation so that it dries quickly. Easy to install: no drilling required, no tools required, no holes required in the wall. The hinge is designed to fit all standard shower rods (18-25mm) without the need to change rings. You can move it to the desired height. Durable and space-saving: This product makes reasonable use of the space around the shower rod and can place most