Tri-Blend (50% Polyester / 25% Cotton / 25% Rayon) construction; Polyester retains shape and elasticity; Cotton lends both comfort and durability; addition of Rayon makes for a unique texture and drapes softly against the body for a comfortable fit and feel; 6-12m is approximately 13" (35.6cm) in total length; Not intended for sleepwear; Unisex ;