Cliniva Healthcare Manufacture & Surgical Instruments Manufacturers of Latex Examination Gloves, Nitrile Gloves, Polyethylene Gloves, Vinyl Powder Free Gloves & etc. Cliniva Healthcare manufactures Polyethylene Gloves with international quality standard. Polyethylene gloves are made of Polyethylene plastic and protect hands during messy or skin-irritating tasks. They have embossed grips, and thus they are perfect for firm grip.