Yes4All Stackable Soft Plyo Box/Plyometric Jump Box for Plyometric Exercises, Crossfit Workouts, Box-squats, Available with 4 Height: 6", 12", 18", 24"

ジャンプトレーニング用に高さ15cmのものを２つ購入片手で持てる。移動が楽。スタッキングしても不安定さはない。硬さも足（関節）への負担が少なくて良い。

got this for our home gym. i’m 5’2” and it allows me to reach out high bar for supported pull ups. you can also use it for other movements. pretty large in size and material is great quality!

I bought two of these (6" and 12") for doing box jumps at my house b/c I wanted something larger than the small wooden box at the gym. Have used this one for single-leg jumps and it's got just the right amount of cushioning and is heavy enough not to slide at all on the hard floor.

It’s great and doesn’t take up space

Way too soft! Cover is good.