[High-density sponge] It is not easy to deform, the surface is soft and comfortable, and it does not hurt the skin. [Supine board material] Steel pipe environmental protection electric paint environmental protection high quality soft PU material, wear-resistant and tough, durable. [Multi-function] Exercise chest muscles, back muscles, shoulder muscles, and abdominal muscles [Stable base] Widened and thickened base, safe and stable, you can enjoy sweating on it [Applicable places] Home, club, studio, boss office, company gym