Good Afternoon, We are a River Tube and Snow Tube Supplier in the United States. We use Butyl Rubber Inner Tubes 7.50R16, 8.25R20, 10.00R20 and 12.00R20 inner tubes with our products. We typically purchase a 20' container load with each order. Can you give me pricing on each of the items at 8-8.5 mpa, FOB, please? Thank you so much and I look forward to hearing from you! -Jim Rushton- Show More