Specification: Material:Latex Tube + Neoprene Padding; Size(Inner diameter x Outer diameter x Length): Type 1: Red Band: 5mmx9mmx26cm; Blue Band: 6mmx10mmx28cm; Type 2: Red Band: 5mmx9mmx28cm; Blue Band: 6mmx10mmx28cm; Type 3: Red Band: 5mmx9mmx26cm; Green Band: 5mmx10mmx28cm; Type 4: Red Band: 5mmx9mmx28cm; Green Band: 5mmx10mmx28cm; Type 5: Yellow Band: 6mmx9mmx28cm; Blue Band: 6mmx10mmx28cm; Type 6: Blue Band: 6mmx10mmx28cm; Features: - Enhance leg, hip and core muscles to improve running speed, vertical jump, mobility and stamina. - Perfect for taekwondo, boxing, dance, basketball, baseball, volleyball, football, football, tennis, running and skating training. - Easy to carry: You can work at home, in the gym, outdoors, and wear them while practicing. Package included: Type 1: 90lbs: 2 x Red Bands 20lbs; 2 x Blue Bands 25lbs; 2 x Straps; 1 x Storage Bag. Type 2: 90lbs: 2 x Red Bands 20lbs; 2 x Blue Bands 25lbs; 2 x Straps; 1 x Storage Bag. Type 3: 100lbs: 2 x Red Bands 20lbs; 2 x Green Bands 30lbs; 2 x Straps; 1 x Storage Bag. Type 4: 100lbs: 2 x Red Bands 20lbs; 2 x Green Bands 30lbs; 2 x Straps; 1 x Storage Bag. Tyep 5: 80lbs: 2 x Yellow Bands 15lbs; 2 x Blue Bands 25lbs; 2 x Straps; 1 x Storage Bag. Type 6: 100lbs: 4 x Blue Bands 25lbs; 2 x Straps; 1 x Storage Bag.