2 Pairs. The Vitrex Knee Pads Protectors are a durable and reliable option for contractors and mechanics who require personal protective equipment (PPE). Made with waterproof foam pads, these knee pads provide comfort and protection in various work environments. The adjustable size and black colour make them a versatile choice for individuals seeking quality knee protection on the job. The VITREX brand ensures a trusted and trusted product that meets the needs of professionals in the construction and maintenance industry.