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Our breathable RV mattress underlay is made of high-quality felt that creates a ventilated gap between your mattress and bed platform. This design helps improve bottom airflow, reducing moisture buildup and promoting a drier sleep surface during long trips — ideal for keeping your RV mattress comfortable and fresh. This 74 x60 short queen size RV underlay fits most standard RV mattresses and comes ready to use — no cutting or customization needed. Simply unroll and place it under your mattress in just a few minutes. Its durable, load-bearing felt material ensures reliable performance without compromising breathability. Engineered for RVs, this versatile underlay also works well in boats, campers, trailers, and even home bedrooms. It’s foldable for compact storage and travel, and we include a free storage bag to keep it clean and organized on the go. Featuring an anti-slip design, our underlay stays securely in place during bumpy rides, ensuring stable use of your RV bed. This is especially useful for camper beds and trailer setups where reliability matters most. Designed as a dry mattress solution, this underlay requires minimal upkeep. Just vacuum dust or wipe with a cloth to maintain cleanliness. No washing needed — saving you time and effort during travels. ASIN B0G38PV1CF Size 74*60 in Color Gray Brand Name Chimelva Model Name RVM-01 Unit Count 1.0 Count Item Weight 3.7 Pounds Manufacturer Chimelva Model Number RVM Material Type Felt Number of Items 1 Included Components Mattress Age Range Description Adult Water Resistance Level Water Resistant Manufacturer Part Number RVM001 Product Care Instructions Spot Clean Only Manufacturer Warranty Description 1 Year Manufacturer Other Special Features of the Product Breathable, Non Slip