* Material: Made of high quality NYLON material, durable, waterproof, and lightweight to use
* Size: S: L*W: 50*50cm(19.67*19.67in), suitable height 75~105cm(29.53~41.34in); M: L*W: 70*50cm(27.56*19.67in), Suitable height 95~130cm(37.4~53.15in)
* Easy to use: Racers put both legs into the sack and hold the top straps, then see who hops the fastest
* Its a great exercise and funny game for kids at any outdoor occasions
.List Of Our TRACK & FIELD EQUIPMENTS Products.