Powder-free Nitrile Gloves Size Large 100 pieces Black is a box with black Nitrile gloves. The Nitrile gloves have the EN420, EN455-1/2/3/4, EN388 and EN374-1/2/3/4 quality mark. These gloves are of extremely high quality and will not disappoint. We sell 3 types of gloves, namely Vinyl, Vitrile and Nitrile. These gloves differ in quality and strength, with Vinyl being the least strong and Nitrile the strongest, with Vitrile being the middle ground. These Powder-Free Nitrile Gloves offer extra hygiene and protection of the skin. This makes them indispensable for various professions and also for the hair salon or beauty salon in daily contact with chemical products, such as coloring, bleaching, perms and more. These gloves fall under category 3, categories are explained below. Category 1, Gloves of simple design: Gloves falling under category 1 provide protection against only minimal risks. The user must be able to easily determine for himself what degree of protection the glove offers. Category 2, Intermediate Design Gloves: These gloves provide protection against intermediate risks. Consider mechanical risks. Category 3, Gloves of complex design: These gloves offer the highest degree of protection and are intended to prevent fatal risks or risks that may cause serious and irreversible damage to health and for which the designer assumes that the user will not be able to detect the acute effects in time. Overview of quality marks: EN420 1/2/3/4 Protective glove - general requirements and test methods EN374-1/2/3/4 Protective glove - against chemicals and micro-organisms and resistance to penetration EN388 Protective glove - against mechanical hazards EN455- 1/2/3/4 Single use medical glove - requirements and test methods for biological evaluation / physical properties / storage life