Durable Latex Construction: Crafted with flexible latex material designed to retain elasticity and withstand repeated stretching Multi-Level Resistance System: Set includes 5 bands with color-coded tension levels (X-light to X-heavy) to progressively challenge lower body engagement Portible Fitness Solution: Lightweight design with compact travel pouch enables studio, home, or outdoor workouts anytime Universal Compatibility: Includes 5 Different Levels: They are all 23.6” length and 2” width, but different thickness. According to your training needs at different stages, you can match the exercise bands with the appropriate resistance level. Whether you're new to fitness or an experienced user, find your suitable resistance match For progressive development: These latex bands support lower body and core engagement during workouts, suitable for daily fitness regimens