This customizable wall-mounted cat furniture set allows you to configure DIY layouts that suit the dimensions and style of your home, efficiently utilizing vertical space so the shelves integrate seamlessly into your living area. The 4-piece wall cat climber set includes a single-layer platform and a 2-tier cat tree connected by 3-step sisal stairs, enabling cats to climb easily, choose their favorite resting spots, and enjoy the curved hammock for cozy lounging. Fully wrapped natural sisal scratching posts help maintain healthy claws while protecting household furniture, offering durability with their wear-resistant construction. Built with solid plywood boards and a reinforced triangle structure, the set provides excellent sturdiness, while non-slip carpet mats ensure cats can jump and play safely. Installation applies to concrete walls, natural dense stone, and brick walls - simply drill a hole, tap screws into place with a hammer, and attach the boards using expansion tubes and scr