Batch1 Skeleton Full Body Print Novelty Halloween Fancy Dress Adult Onesie Size Chart (chest to fit): XS - 32" | S - 36/38" | M - 36/38" | L - 40/42" | XL - 40/42" | XXL - 46" Skeleton Full Body Print Onesie. Super Ltd edition Original Batch1 Onesie 80% Cotton / 20% Polyester Designed and printed in London.