The Grid X Size:One Size Water boiled (kerosene) per 100

Water boiled (kerosene) per 100 ml of fuel: 5

Made from heat-treated spring steel and vinyl dipped for comfort

String type: multifilament

Textured bottom helps prevent injury to your feet when walking or running on rocky surfaces

duct-tape and fishing/sewing kit round out the package

The Grid X Size:One Size Water boiled (kerosene) per 100Dense tissue needs a firmer GRID foam roller to release and relieve aches and pains. The GRID X can be used to release the calves, quadriceps, hamstrings, back and lats. Twice as firm as the original GRID foam roller Sweat proof and simple to clean Three dimensional surface allows tissue to aerate while you roll, promoting the flow of blood and oxygen, the nutrients needed to repair muscle Compact and travel friendly Backed by a one year warranty