Key features construction Thick hard wood with a felt surface, thickened manganese steel springs inside, and a rustresistant steel plate fixed. This design provides strong load bearing capacity, resists deformation, and longlasting performance. Ergonomic design The springboard is designed to be ergonomic and suitable for different levels of gymnastics instruction. The tumbling pad offers safe, comfortable support for tumbling, gymnastics, stretching, physical art and training programs. elasticity Available with 2, 4, 6, or 9 thicker metal springs for toughness and resilience. Safe, durable, and resistant to deformation. After thousands of jumps, it remains sturdy. Competitionsize and versatile This competitionsize spring board is suitable for youth or adults and meets the requirements of different levels of gymnastics instructors. It can be used in a gym or at home. 23 use scenarios Gym or coaching facility: use during tumbling and gymnastics practice to enhance jumping drills, landings, and overall tumbling technique with instructor supervision. Home training: ideal for warmups, stretching, and conditioning routines to improve flexibility and strength outside of a formal gym setting. Performance or physical arts rehearsals: suitable for rehearsal sessions in dance, acrobatics, and other physical performance disciplines requiring controlled, repeated jumping and landing practice.