We are a direct manufacturer and exporter of the sports goods in Shandong China. Our products are high quality and cheaper price Description: 100% Rubber BladderSize: 124mm,170mm,186mm,196mm,210mm,226mm,228mmMaterial: rubberWeight:65g,75g,85g,95g,125g,135g,145g,Packing: PP weave bag 120pcs/bag (suitable for long distance transportation and seaworthy)Logo: as per your requirementMOQ: 5000pcs ...