body fabric is GOTS-certified 100% organic cotton; velveteen trims and applique are polyester gently batted applique in 4 different motifs, with soft velveteen trims around neck, wrists, and underfeet body-hugging fit to surely become your favorite outfit for any occasion/outing features fold-over mitt sleeves for added warmth and protection from self-scratching *Please note that babies need sensory exploration and tactile stimulation every day, so be sure to leave little hands uncovered for a portion of the day :-) thoughtfully designed with elastic on back of ankles for a stay-in-place fit chrome/lead/nickel-free, dyed-to-match ring snaps at back of neck for each dressing chrome/lead/nickel-free pearlized snaps at crotch for easy diaper changes and added style tagless for added comfort against baby's skin