55% Linen45% Cotton Clothing with drawstrings should not be left on an unattended child. These pants are not intended or recommended to be used as sleepwear. Please note that every item is handcrafted individually, in our studio by hand. While we hold ourselves to a very high level of craftsmanship some items may have slight imperfections that add to the charm of the piece. Everything is checked for quality many times before leaving the studio, and we never ship a product that does not meet our standards.