Innerspring Mattress 12" Twin XL Full Queen King Size, Skin-Friendly & Non-Fiberglass and Hypoallergenic, Edge Support Motion Isolation 【Individual Pocket Spring】-- Supported by hundreds of quality and stainless Individual pocket springs, each spring work independently to offer an all-over and average support to 5 parts of your body (Feet, legs, hips, waist, shoulders, neck, head). Excellent shock-absorption and resilience, cater your vertebral well, help adjust and correct your sleeping posture. 【Split Zone Support System】-- Luxury MULTILAYER FOAM AND POCKET SPRING SUPPORT SYSTERM not just providing better support for your body, but also can absorb more pressure come from your body and the spring, providing more buffers for your body. Fully relax your muscles, greatly improve your sleeping quality. 【Breathable and Healthy】 -- Ultimate luxury slow springback foam made of high density and first-class temperature-sensitive material, comfortable and breathable, can expel the steamy sweat from the contact surface between you and mattress so to keep body comfortable and dry when sleeping. 【Ultra Quiet & Motion Isolation】-- Built-in high quality Individual pocket spring and CertiPUR-US Certified foam, can effectively absorb the noise and vibration caused by tossing and turning when sleep, no waking up by the noise, not disturb companion and effectively reduce your turning times, let you sleep soundly and peacefully. 【Vacuum Roll Packed & Fits Most bed Frames】 -- It is delivery, compressed, vacuum sealed and neatly rolled in a box & mattresses with handles design. Smaller size, easy to carry, restore in 48 Hours seconds after unpacking. Whole mattress could fit all kinds of same size bed frames, such as box spring, floor, slatted base, flat platform, wood foundation, adjustable bed, hospitable bed, etc.