简约悬挂式皮革沙袋商业照片

Vintage brown leather hanging boxing speed bag, full vertical front composition, teardrop shape with grainy PU leather, neat vertical stitching lines, black leather top cap, black elastic hanging cord, black square mounting base above, pure white minimalist background, shadowless studio soft lighting, delicate leather grain texture, 8K ultra HD combat sports product shot, clutter-free soft subtle shadow, vintage matte leather finish