cloth diaper The nappy have three layer and only the second and the outer layer has snaps which can regulate the magnitude . size:average material:the inner is bamboo and cotton blend which is reusable and healthy to babis' bottocks Our nappy can comply with a standard of OEKO TEX 100 and you can make a detection of it The diaper can be washed 700 times and can suit 3-16 kg babies .Also it can be used 2-3years .