HPPE Imported Recommend for anyone who has fragile thin skin and needs protection from anything sharp like puppies with sharp little teeth, cutting down rose bushes, or other shrubs, excellent at arm protection Highly elastic cut resistant sleeves with a velcro strap at the top can adjust tighten to fit your upper arm/bicep ensures it won't slip down, completely holds the sleeve in place for maximum protection Arm guard sleeves made of high-performance polyethylene (HPPE), fiberglass, and synthetic fibers make them cut-resistance and wear-resistance. (PLEASE NOTE THAT IT'S NOT PUNCTURE PROOF!) Great for heavy-duty gardening: trimming prickly hedges, puppy nipping bite, laser-cut, metal edges, glass manufacturing, mechanic vehicles, commercial fishing Breathable, lightweight yard work sleeves, protect your forearms from cuts, scratches while pruning thorny vines