4kg vinyl or neoprene dumbbells

{"cid":"91221064","title":"Oem Hexagon 10kg Dumbbell Set Neoprene Weights Custom Kg Weight Fitness","imgUrl":"https:\/\/img.chinax.com\/nimg\/af\/cd\/db1cc7a2c6f494d33aace620f9cd-200x200-1.jpg","attrs":{"Price":"customized","Brand Name":"YM","Model Number":"ONT-S05","Minimum Order Quantity":"1000 kg","Delivery Time":"1 month","Certification":"CE,SGS,IOS","Place of Origin":"China Mainland","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, ","Supply Ability":"800 pieces\/month","Packaging Details":"carton packaging","weights":"2.5kg,5kg,10kg,15kg,20kg,25kg,10kg,15kg,20kg,25kg,30kg,35kg,40kg,45kg,50kg,1kg,2kg,3kg,4kg,5kg,6kg,7kg,8kg,9kg,10kg,10kg,15kg,20kg,25kg,30kg,35kg,40kg,45kg,50kg,1kg,2kg,3kg,4kg,5kg,6kg,8kg,10kg","Material":"steel and PU","logo":"customized","Gender":"Unisex","Application":"Universal","Color":"Customized","Usage":"weight lifting"}}

{"cid":"91223106","title":"Wholesale adjustable custom rubber coated weightlifting Vinyl dumbbells 1kg 2kg 3kg 4kg 5kg 3lb 5lb 8lb for gym","imgUrl":"https:\/\/img.chinax.com\/nimg\/5a\/b3\/5bd608baaa505ba864b7ed76f752-200x200-1.jpg","attrs":{"Price":"$0.48\/pounds 2000-19999 pounds","Minimum Order Quantity":"2000 pounds","logo\/pattern":"screen printing","Place of Origin":"Hebei","Gender":"Unisex","Application":"Universal","Product Name":"Neoprene Dumbbell","Color":"Custom Color","Material":"Cast Iron","Logo & OEM":"Customized Availale","MOQ":"1000KG","Packing":"Polybag+ctn+wooden Case"}}