SKONYON Boxing Speed Bag PU Leather Rotating Boxing Speed Bag, Heavy Duty Suspended Boxing Bag Material?ôïPU Size: 9.84 x 6.69 inches Weight: approx. 160 grams Requires inflation Packing list: 1 x boxing ball HIGH QUALITY: Super speed boxing bag is made of eco-friendly PU leather, crack-proof and durable, in a balanced pear shape to improve your boxing skills and improve your hand-eye coordination, rhythm, timing and speed EXQUISITE CRAFTSMANSHIP: The exquisite smooth surface and superb craftsmanship also bring you a comfortable touch LEAK-PROOF: This easy-to-inflate boxing bag with leak-proof nozzles keeps its shape at all times while providing a solid striking surface for consistent boxing bag speed training at home