SINWEEK 4 Inch Gel Memory Foam Mattress Topper Ventilated Soft Mattress Pad, Bed Topper, CertiPUR-US Certified, Twin XL Size, Pu

Gel Memory Foam Material: Our Memory Foam Mattress Topper Readily Conforms To The Curves And Shape Of Your Body, Distributes Weight Evenly To Alleviate Pressure Points For Better Sleep More Comfortable Sleep: The Gel Memory Foam Material Used In Our Mattresses Reduces Heat And Improves The Airflow To Refresh The Gas Permeability Add To The Mattress For Custom Comfort Soft But Not Foldable: Our Mattress Is Soft, Do Not Roll Up And Store Too Long After Opening, And Do Not Put Items On Top, Which Will Increase The Risk Of Tearing Certipur-Us Certified: Our Gel Swirl Memory Foam Topper Is Made Of Certipur-Us Certified Materials The Gel Swirl Memory Foam Topper Meets Or Exceeds Standards For Content, Emissions, And Durability Before First Use: Leave The Memory Foam Flatly In A Well Ventilated Area For 48-72 Hours Until Itas Fully Expanded In Addition, We Offer A Three-Year Warranty And 24-Hour Manual Customer Service To Ensure Your After-Sales Service Note: The Softness Of The Mattress Topper Is Influenced By The Temperature In The Cold Winter Mattress Topper Will Become Harder