Solace Sleep 3 Inch Lavender Infused & Ventilated Memory Foam Slab Mattress Topper (Full). Update your exiting mattress with the Solace Sleep 3-inch Lavender Infused & Ventilated Memory Foam Slab Mattress Topper. The 3-inch thick slab will provide you a restful sleep by adding the luxury of memory foam and the benefits of lavender. By adding ventilation and lavender to the memory foam you will enjoy relief from pressure point discomfort and cooling calming relaxing effect. Memory Foam Details: Resistant to dust mites, naturally antimicrobial Temperature-smart foam responds to body heat and movement, reshaping to distribute body weight and relieve pressure points to improve circulation Never needs turning Memory Foam Tips: Conveniently arrives tightly packed in portable box. Remove from packaging within 72 hours to maximize expansion. You can sleep on it the same night it is unwrapped, however allow 48 hours to fully return to its original shape. Vacuum sealing sometimes traps odors. After unwrapping, air for a few hours to eliminate trapped odors. Due to machine-cutting manufacturing processes, there may be slight variances in the dimensions of this product. Due to the nature of memory foam, the firmness level of similar products may produce different firmness results. Once opened this product is non-returnable.