Suitable for yoga, fitness, exercise and other sports.
Specification:

1-Black Set (11pcs)
Package contents: 

1) 5 pieces resistance bands  

Yellow: 10 LB
Red: 15LB
Blue: 20LB
Green: 25LB
Black: 30LB
2) 1 pieces anchor door
3) 1 pieces carrying bag
4) 2 pieces foam covered handles
5) 2 pieces ankle straps    

2- 17pcs set  

Package contents:

1) 7 pieces resistance bands

Yellow: 10 LB
Red: 15LB x2
Blue: 20LB
Green: 25LB
Black: 30LB x2
2) 1 pieces anchor door
3) 1 pieces carrying bag
4) 4 pieces foam covered handles
5) 2 pieces ankle straps  

6) 1 piece booklet