Product Description: Diving material is a kind of foam, synthetic rubber. It feels good, soft and flexible. It has the characteristics of shock resistance, heat retention, elasticity and impermeability. Product Features of Scuba Diving Materials1. Protect products from abrasion;2. The material is flexible to reduce product damage caused by collision;3. It is lightweight and can also be worn and used alone;4. Fashionable look; Super quality joints prevent cracking and separation. The waterproof, professional neoprene sports material means that there is no uncomfortable material to bite your leg while you kneel down. This material is strong, flexible and can be used for many years. Product Specification:Color: Red, Army Green, Grass Green, Dark Purple, Navy BlueExtension Size: 51*23*4cmThickness: 4cmPackage Included:1 Pair of Knee PadsNote:1. Manual measurement, error 1 - 3mm, thank you.2. Due to differences between different monitors, the image may not reflect the actual colors of the item. We guarantee that the style is the same as the picture. Hi, guys, thank you for visiting my store. There are so many useful and cheap items in our store. We will be ready to reply you as soon as possible.