Specification * D-Seal Wiper 018-312-EKD :1" Width, 15/16" Thickness, 35' full length * Base Seal: 1/2" Width, 2.75" Thickness, 35' full length Note: Please check that your slideout channel is the right size before buying to ensure the slide-out wiper seal will fit your rv Note: It is recommended to use detergent to clean the channel before installation, and add sealant after installation to achieve better sealing effect Package Included: 1 slideout wiper seal 1 slideout base seal About Us Our products are 100% brand new quality products, welcome to buy. With our best products and best services, we believe this will be a pleasant shopping experience. We care about our valued customers and hope to establish a long-term business relationship with you, so please help us do better. Quality Assurance 1. Each item has been factory tested and meets or exceeds oem specifications. 2. Provide lifetime warranty service. If you are not satisfied with the product or the product has quality problems, you can contact us at any time, we will provide you with a satisfactory answer and solve the after-sales problem for you. We attach great importance to quality and service. If you have any questions about the project or our services, please contact us first. We value your feedback, so we will strive to answer all inquiries within 24 hours. (Except Sundays and public holidays.)