The MORryde 3-Step Tread Covers for Narrow RV Entry Steps have a sleek, form-fitting design crafted from marine-grade flooring material. These covers are water-wicking and slip-resistant, ensuring a safe and durable solution for your RV steps.• Designed for narrow steps• Pet-friendly• Stick-on installation• Specifically for MORryde Gen II StepAbove steps with deeper top step• 3 step tread covers: one 19.5" x 9.5", two 19.5" x 7" Stick-on installation Specifically for MORryde Gen II StepAbove steps with deeper top step 3 step tread covers: one 19.5"" x 9.5"", two 19.5"" x 7"" | MORryde STP54-069 Step Tread Covers, 3-Step Narrow