Lucid 4 Inch Mattress Topper Twin ? Memory Foam ? Bamboo Charcoal Infusion ? At Lucid, we make beds for the whole family? because when you wake up feeling your best, your family gets the best version of you too. The Lucid 4-inch Bamboo Charcoal Memory Foam Mattress Topper is an affordable way to transform a firm mattress into a plush experience. The four inches of responsive memory foam cradle your body with a plush ?sink-in? feeling like a cloud. Designed to fit, a Twin size mattress topper perfectly complements a Twin mattress. And the bamboo charcoal infusion provides temperature regulation, and moisture wicking and odor reducing properties to maintain a fresh sleep environment. The foam topper is ventilated to promote air transfer, ensuring a comfortable sleep climate and all Lucid memory foam is CertiPur-US Certified for safety and performance. For shipping convenience, the topper is shipped directly to your door in an easy-to-carry box. Comfort awaits. Bamboo MEMORY FOAM: 4 inches of soft memory foam provide a ?sink-in? feeling to help make a firm mattress plush. Foam mattress topper is ventilated to promote air transfer for a comfortable sleep climate. BAMBOO CHARCOAL: Bamboo charcoal is infused in the bed topper, wicking away moisture and regulating odors for a fresh sleep environment PROTECT YOUR TOPPER: We recommend using a Lucid mattress protector for your bed to protect against any leaks or spills to ensure a long life of the memory foam mattress topper CERTIFIED FOAM: All Lucid memory foam is CertiPur-US certified for safety and performance of the mattress topper to give you peace of mind TOPPER IN A BOX: We design all our Lucid mattress toppers to arrive at your home in an easy-to-carry box. Simply unbox, unroll, and wait 24-48 hours for the topper to expand.