This wonderful set will keep your little one comfy and dry, and looking ever so cute!  These pajamas are not treated with flame retardant, and fit snugly to ensure baby's safety. The side benefit is that they do not twist around like pajamas with excess fabric, keeping baby comfortable during the various positions of sleep! Made of 95% viscose from Bamboo and 5% Lycra, they are incredibly soft and luxurious feeling. Bamboo wicks water away from the body 3-4 times better than cotton, keeping skin comfortable, rather than sticky, in summer weather, and Bamboo stays 2-3 degrees cooler in hot weather and warmer in cold.