Material:Boy and Dad T-shirt(92.2% cotton+7.8%spandex),short pants(100% polyester)
Mum and girl:T-shirt(93.6% cotton+6.4% spandex),Capris(100% polyester)
Price is for ONE SET/Person, NOT for WHOLE Family!
It is Asia Size, please check below "Size Chart" for measurement (unit: cm) !
It is manual measurement, maybe +/- 1-4cm tolerance! Can email sizing charts to you for reference.