[Luckynote]King Mattress, 12 Inch Hybrid Mattress Euro Top Medium Firm for Back & Lumbar Support, 100 Night Trial, Individual Pocket Spring Mattresses for Motion Isolation & Pressure Relief

This 12-inch Twin XL hybrid mattress combines cooling gel memory foam and individually wrapped pocket springs for balanced medium-firm support and pressure relief. Its breathable design ensures cool, comfortable sleep while the pocket springs reduce motion transfer. CertiPUR-US certified and fiberglass-free, it arrives conveniently compressed in a box for easy setup. Perfect for all sleeping positions, this mattress offers durable comfort and reliable quality. Simply unbox and allow it to expand—enjoy restful, supportive sleep with this versatile bedding solution.