1.Q: Do you have to purchase all separately?
A: Yes, Each set is sold individually, you do have to select separate sizes and it will show you how much for each piece.
2.Q: What is the fabric? Machine washable?
A: 95% Polyester, 5% Spandex blend, the fabric is a soft feel with stretch suitable machine/hand wash.
3.Q: Can i choose for my family members,and how?
A: There are sizes including men women and kids, each time choose the set you need to your cart.
4.Q: Is it possible to purchase the pants only?
A: No, its a complete set of top&pant.