4 Pieces Soft Construction 4-Piece Stackable Foam Jump Box Set Adjustable Height Plyometric Box Set Multi-Functional Fitness Equipment Non-Slip Surface for Children, Beginners, Personal Trainers, Gym, Physical Education Class, HIIT Workouts

Adjustable 4-in-1 Design: This set includes four individual foam boxes of varying heights (6", 12", 18", 24") that can be used separately or stacked jointly, allowing you to customize workout intensity and progressively increase jump height up to 59 inches.

Safe & Stable Construction: Built with a high-density EPE foam and recycled cotton inner composition, these plyo boxes are firm enough to provide a stable platform for jumps but soft enough to reduce effect on your joints and prevent injuries from missed steps.

Long-Lasting Non-Slip Surface: Each box is covered with a heavy-duty, tear-resistant PVC material that is waterproof and easy to clean. The non-slip surface ensures secure footing during movements for enhanced safety.

Secure Stacking System: Equipped with strong, wide hook-and-loop fastener straps on all sides, the boxes can be securely fastened jointly, preventing any shifting or slipping during use and providing a reliable foundation for your most intense workouts.

Versatile Fitness Tool: Perfect for a wide range of exercises including box jumps, step-ups, and HIIT workouts. This set is ideal for home gyms, professional training centers, physical education classes, and users of all levels, from children and beginners to seasoned athletes.