I havent inflated the bladders but they look like they can be used with valves. The inserts the Valves sit in. These are part of a ball repairers kit. I don't use Yodel.
Wales Rugby Officially Licensed Ball - Durable Synthetic Rubber, Red, Green & White Rugby Ball - Licensed Size 5 Rugby Ball with Pebbled Surface, Latex Bladder
Scotland Rugby Officially Licensed Ball - Durable Synthetic Rubber, Blue, Purple & White Rugby Ball - Licensed Size 5 Rugby Ball with Pebbled Surface, Latex Bladder
Hy-Pro Ireland Rugby Ball Officially Licensed - Durable Synthetic Rubber, Green & White - Licensed Size 5 Rugby Ball with Pebbled Surface, Latex Bladder, IRFU
Ram Rugby Ball Wash Bag – Waterproof Travel Bag with Rugby Grip Rubber Outer & Cotton Lining - 33 x 18 x 14 cm – Perfect Birthday or Stocking Filler for Rugby Fan Adult or Child
Optimum Razor Rugby Ball Bulk Pack with Bag & Ball Pump, Professional Training & Match-Day Ball, Natural Rubber Grip & Balanced Weight for Elite Handling, Control & Accuracy – 10 Pack, Blue, Size 3
Optimum Wales Nation Rugby Ball – Durable Rubber Training Ball with Enhanced Grip & Long Air Retention – Size Midi
