Stand alone kneeling or sitting pad fits TheXceptional Wheelie, ROCKr and Other Seats Made by Vertex Products. 0.75 in. (3/4) thick closed cell foam pad reduces strain while sitting and kneeling. Use on its own to cushion any seat or as a knee pad while working down low. Sized to contain your knees without cramping them and perfectly sized for sitting pad as wellDurable and water-resistant closed cell foam water resistant, so it absorbs minimal water, helping it to dry quickly, durable PE material is designed to withstand rocks, moisture, debris and the elements so it will provide long lasting use as a knee pad or sitting cushionMulti-purpose pad for sitting or kneeling provides support and reduces pain while kneeling so you can stay comfortable, ideal for gardening, cleaning, bathing your kids, sporting events, camping, everyday household chores, plumbing, painting and much more, portable and lightweight with the built-in handle to make it easy to carry from place to placeShaped to fit vertex seats with the ability to use as a stand alone sitting and kneeling pad. The contoured shape fits contoured comfort seats for American made comfort seats by Vertex Products.