Lightweave is a new 10037 cotton fabric designed to keep your baby cool and provide all the natural air ventilation and the softness of a muslin product but without shrinking or losing its shape like a muslin can a stylish soft pink and neutral grey beach ball print finishes the grobag perfectlymulti award winningavailable in sizes 0 6 months 6 18 months 18 36 monthsdouble shoulder poppers and side zip on all sizesunderarm poppers on 0 6 month size10037 cotton jerseyhigh quality ykk z