.these one piece tubes ship flat to save space tubes fold together fast without tape or glue constructed from 200#/ect-32, b flute white corrugated sold and shipped in flat bundle quantities of 25 the dimensions provided are the inside dimensions of the product These square mailing tubes will not roll around, making them easy to pack and ship than traditional round mailing tubes.
Consistent bar diameter and length throughout resistances means you use the same muscles with each resistance. Also promotes coordination and increases range-of-motion. Use for soft tissue and joint mobilization.