MATERIAL: The rowing machine seat pad is made of memory foam material, comfortable, durable and sturdy for use. PERFECTLY FIT FOR CONCEPT 2 ROWING MACHINE: This black seat pad is designed with the exact specifications of the Concept 2 rowing machine seat in mind - so it has a perfect, snug fit. ANTI-SLIP TECHNOLOGY: The underside of the pads is covered with a new, extra strong non-slip fabric, so it can stay in place even during intense workouts. DESIGNED FOR FREQUENT USE: Using this rowing machine seat pad during your workouts helps reduce pain and discomfort even after multiple daily rowing sessions. EASY TO CLEAN: All you need to do is wipe it with a damp cloth and let it dry - it's that easy. About Shipping: All items are shipped within 3 business days after payment is received. Most often, you will receive them within 8-12 days. The specific delivery time depends on the circumstances. Any questions, please contact us. During the shopping process, if you have any questions, please contact us, we will reply you within 24 hours, wish you a pleasant shopping. Thank you for your cooperation and we will make sure you are satisfied. Buying our products means not only owning high-quality goods, but also enjoying our meticulous customer service. Our customer service team is ready to provide you with help and support.