BU Pyjamas set is designed in long sleeve and short PJs. Our short sleeve Pyjamas sets are constructed from soft, signature fabric and they are FREE OF harsh flame-retardant chemicals, which can be detrimental to children. Sleepwear in 2 pieces sets for little ones, a super soft and comfortable style for a great night’s rest. Super cozy for your little one. This style (Code BB004) is made by Bamboo fabric which is super soft and sensitive, breathable, lightweight, moisture wicking, durable and easy to use.