Feature(may vary by option.)

●Size Range: SS, S, M, L
●SS (Junior to Middle School): Tensile Strength: 2.9 - 7.5 lbs (1.3 - 3.6 kg)
●S (middle and high school students): Tensile strength 4.9 - 14.9 lbs (2.2 - 6.3 kg)
●M (Boys High School and College): Tensile Strength 8.5 - 22.8 lbs (3.6 - 10.8 kg)
●L (college students, those who want to power up): 11.0 - 29.9 lbs (5.4 - 14.1 kg)

[S (middle school and high school students)]

[L (college students | those who want to improve their power)]

[SS (Junior to Middle School)]

[M (Boys High School and College Students)]

Description