MATERIAL: The Rowing Machine Seat Cushion is made up of memory foam material, comfortable, durable and solid for use. FITS PERFECTLY ON CONCEPT 2 ROWING MACHINE:This black seat cushion is designed having the exact specifications of the Concept 2 rowing machines seat in mind - so its a perfect, snug fit. SLIPP-PROOF TECHNOLOGY: The cushions bottom side is covered with a new, extra strong Slip-proof fabric, so its able to stay in place even during intense workouts. DESIGNED FOR FREQUENT USE: Using this rowing machine seat cushion during your workouts will help to reduce pain and discomfort even after multiple daily rowing exercise sessions. EASY TO CLEAN: All you have to do is wipe it down with a wet cloth and let it dry - simple as that. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.