【Hybrid Support System】 - This king sizemattress combines durable stainless steel pocket springs with premium comfort foam. The individually wrapped springs provide balanced body support while the thick foam layer delivers plush cushioning for all sleeping positions. 【Pressure Relieving Comfort】 - Our medium firm mattress features targeted support technology. The pocket springs adjust to your body shape, providing optimal spinal alignment and pressure relief for back and stomach sleepers. 【Motion Isolation Technology】 - Each pocket spring works independently to absorb movement. Combined with multiple foam layers, this king mattress reduces motion transfer by 70% for undisturbed sleep with a partner. 【Easy Setup Process】 - Professionally compressed for convenient delivery. Simply unbox your 10 inch king size mattress and allow 72 hours for full expansion to its original shape and comfort level. 【Certified Safe Materials】 - Made with CertiPUR US certified foams and OEKO TEX certified fabric cover. Backed by a 100-night trial and 10-year warranty for worry-free purchase.