Each batch is subject to slight color variation due to fabric printing at production each round. * Latest batch has a more off white/grey tone background compared to the previous cream/yellowed tone. See Size Chart in photo for correct sizing. Sizes run generous and should last at least 3x as long as traditional pajamas. * Made of 95% bamboo 5% viscose this fabric is buttery soft, and extremely stretchy. * Breathable, thermo regulating, hypoallergenic, and eczema friendly. * Sustainable and eco friendly material. *  Last three times as long as traditional sleepers. Stretchy fabric that grows with your child * Snug fit in accordance to CPSC safety regulations.