Tourniquets , Available in latex and latex- free. Latex-free tourniquets come in powder-free blue or low-powder white. Latex-free tourniquets are made from a strong polyisoprene material with no latex proteins, resins, or fatty acids. Latex tourniquets are 100% natural with low powder content. Easy to apply and remove. Non-slip textured surface&mdash, stays in place on patient&rsquo,s arm.