● Fluorescent Put it under the sun for a while, then you can see them in the dark.

● SOFT  Made of high quality medium-soft material for safety and durability ,flexible and flat top.  In case a player falls on them，he will feel Soft. Pile of softness is after hundreds of times testing.

● Professional mold designer,Smooth surface with no burrs, even wall thickness.

● Anti Wind

● High Quality Material, LDPE, made up by three kinds of non-toxic, odorless materials.