The anti-slip base features natural rubber. Products containing natural rubber latex may cause allergic reactions in some individuals., while the soft, comfortable surface fabric and inner layer. 13% of total weight are made from recycled polyester, giving a second life to PET bottles. The soft surface fabric provides a comfortable mousing experience, while the rubber. Products containing natural rubber latex may cause allergic reactions in some individuals. anti-slip base prevents sliding on any surface, keeping a firm hold on your desk no matter what. Features anti-fraying flat-stitched edges, for a durable pad. It’s made to compliment your Logitech mouse and other accessories. Not only does your setup work great, but it looks great, too. Get it in blue grey, graphite, or dark rose.