1. Material: PU leather
2. High peeling PU leather, the surface is tough and not easy to tear
3. The inner tank is strong and resistant
4. Double heads: configure one rubber band on top and bottom, find a place to fix it and you can exercise;
5. Single-headed: You need to prepare a wooden board yourself, hang it below or close to the wall, and use the wall to bounce
6. Weight: about 280 grams
7. Size: 29x20 cm (height x diameter)
Specification:
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