Size range: SS, S, M, L, LL SS (junior to junior high school students): Tension 1.3kg to 3.6kg S (junior high school/female high school students): Tension 2.2kg to 6.3kg M (male high school/university students): Tension: 3.6kg~10.8kg L (university students/those who want to further increase their power): Tension: 5.4kg~14.1kg
Product model number: 201517 Color: Green Size: M (high school/university male) Material: Rubber Type: Swimming Gender: Unisex Package size: 23.1 x 21 x 7.5 cm; 459.99 g
