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Upgrade your RV bedroom with the SleeperKing Serenity Series, an 11-inch luxury mattress made by Spring Air exclusively for SleeperKing. This Copper Comfort Hybrid is designed for side, belly, and back sleepers alike, with support built for all body types.
Experience the Serenity Difference:
- Adaptable Comfort: Perfect for every body and sleeping position.
- Superior Support: 1,000 Comfort Coils provide individualized support.
- Targeted Back Support: Unique Copper Infused Lumbar Layer (the blue coils in the middle!) for enhanced spinal alignment.
- Cooling Technology: Gel Enhanced Comfort Foam helps regulate temperature.
- Easy to Handle: Reinforced Handles for effortless rotation.
- Cool and Refreshing: Features a premium Cool to the Touch cover.
- Versatile Sizing: Available in RV, standard, and custom sizes to fit your needs.
- Simple Setup: Ships roll-packed for easy transport and installation.
Our 120-Night Guarantee: Sleep on your Serenity Series for up to 120 nights — if it's not right, send it back.
Made with Pride in the USA, straight from the Heartland. Treat yourself to the best sleep on the road — order your SleeperKing Serenity Series - Copper Comfort Hybrid today!

"Common Questions From RV Owners
A few quick answers before you order.
RV Standard Twin, RV Twin XL, RV Standard Full, RV Full, RV Short Queen, RV Queen, RV Olympic Queen, RV Short King, RV King, RV California King, and RV Custom — 11 sizes, the most of any RV series. Pricing varies by size
Yes — 120-night guarantee, backed by Spring Air's manufacturer warranty.