• Stainless steel spring is strong and durable, wrapped with foam, comfortable and does not hurt your hands
• High-quality thickened PU leather, inflated inside, good hitting feel, durable and won't hurt your hands
• Large suction cup base, strong adsorption, stable and firm
• Desktop decompression speed ball, can release stress, suitable for adults and children

Specification:

• Product size: base diameter 18cm, height 37cm, foam height 17cm, ball diameter 17.5cm
• Product material: PU leather+ABS+stainless steel+PU foam
• Product net weight: 800g