Charlie Banana 2 in 1 swim nappies and training pants have a light waterproof outer and a soft organic lining. They have a drawsting waist and elasticated legs for a snug fit. They have a small section of microfibre inside so they can also be used as training pants during the day. Available in four sizes: Small (5-7kg), Meduim (7-9kg), Large (9-12 kg), X Large (13-25 kg.) All are a generous fit.Please note this is the last of these stock. We have new charlie Banana swim pants that have been listed. They are made from a different fabric and are sold as just swim pants, not trainers.