These nappy covers from Imse Vimse are an affordable option for all those nappy changes needed when your baby is very small. The larger sizes also mean that you can use these great covers right through to toilet training, simply place over any terry cloth, prefold or fitted nappy and away you go!! These covers have soft elastic both at the back and the leg openings, and a layer of PUL keeps baby dry while still letting air flow through. Available in white, these covers come in a range of sizes - Preemie: 2 to 4 kg; Newborn: 3 to 6 kg; Small: 5 to 8 kg; Medium: 7 to 10 kg; Large: 9 to 12 kg; Extra large: 11 to 14 kg; Super large: 13 to 16 kg.