The Material Is Composed Of Of Very Soft Foam, Coupled With A Very Good Suspension, Allows To Obtain The Best Drive. This Small Thigh Trainer Is Very Effective!The Protective Foam Handle, With An External Length Of 30Mm, Is Comfortable To Hold. Hold, Has A Strong Ability To Of Sweat Absorption, Increases Friction And Increases Safety.Due To The Use Of Heavy-Gauge Steel High Density, The Spring Will Not Deform, So It Can Bear More Weight, Is Strong And Durable, And Withstands Heavy Loads. Dust And Falls. The Spring Does Not Make Annoying Noises, Which Makes Training Very Pleasant.Compact Design: Lightweight And Portable, Comfortable To Carry Around. Use And Easy To Use. Tidy. S-Shaped Design, Good Elasticity, Strong Toughness, Outdoor Use. Long Term Use Of This Product Can Slim Legs And Reduce Thigh Fat.You Can Take This Workout Device Almost Anywhere. And Use It, For Example During Lunch Breaks At The Office. These Exercises Are Well Explained And Easy To Follow. Achieve. Exercise As Soon As Possible After Getting Up. Very Practical. The Training Manual Is Very Practical And Detailed.