Mid loft memory foam pillow aligns the spine by supporting your head, neck, and shoulders no matter what sleep style you loveMemory foam is infused with activated charcoal from bamboo to help keep your sleep space clean and fresh all night longVentilated design improves airflow for a more breathable and comfortable sleep environment all year roundAvailable in Standard, Queen and King sizes, this pillow is compressed and shipped in a box; allow up to 48 hours for full decompression