The Nash Indulgence Mattress Sheet is a removable, lightweight nylon fitted sheet designed to keep your sleep system mattress in prime condition. It suits anglers who prefer a smooth-feeling mattress cover, offering snag-free sleep and easy movement in the bivvy. It is also a practical solution for cooler comfort when the Indulgence fleece-lined mattress becomes too warm in sticky summer conditions. The sheet fits both MF60 memory foam mattresses and standard Indulgence mattresses. It locates over the head section of the bed frame and secures with fast-fit elastic toggles. Machine washable, it is available for all bed dimensions, including Emperor. - Removable lightweight nylon fitted sheet - Keeps your sleep system mattress in prime condition - Essential for those who prefer a smooth feel mattress cover - Designed for snag free sleep and easy movement - Perfect solution for cool comfort when the Indulgence fleece lined mattress is too warm in sticky summer conditions - Fits both MF60 memory foam mattresses and standard Indulgence mattresses - Locates over head section of bed frame and secures with fast fit elastic toggles - Machine washable - Available for all bed dimensions including Emperor