【ENJOY LUXURIOUS AND COMFORTABLE SLEEP】The hybrid king mattress is composed of multiple layers of high-quality memory foam and independent pocket springs. It perfectly fits your body curves, providing you with the best support and comfort. It effectively relives back pain and releases stress. It is cool and breathable. With it, you can experience ultimate comfortable sleep 【UPGRADE STRENGTHEN SUPPORT】King mattress has upgraded and strengthened the independent pocket springs to make it have a longer service life and more stable support. We have also additionally strengthened the edge support of the mattress to prevent you from rolling off the edge of the mattress 【QUIET & MOVEMENT ISOLATION】The King bed mattress is equipped with high-quality independent pocket coils and slow-rebound memory foam, minimizing the noise and movement transmission when your partner turns over. It is suitable for all sleeping positions, allowing you to enjoy deep sleep without being disturbed 【COOL & BREATHABLE】The mattress King size is designed with carefully selected safe and breathable fabric, without fiberglass. It effectively promotes air circulation, expels excess heat and sweat from the body, and keeps your sleep cool & comfortable 【KING MATTRESS IN A BOX】The 14 inch king mattress measures 76 "W x 80 "D x 14 "H, has a maximum load capacity of 1,500 pounds, and is compatible with most king beds. The mattress is compressed in a box for your convenience during transportation. (Note: Keep a safe distance when opening the mattress as it may expand rapidly.) 14 inch king size hybrid mattress