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, MoneyGram","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"}}