Expandable Cover and Classic Comfort Pillow included with 5.3 Cloud9 Twin 4 Inch 100% Visco Elastic Memory Foam Mattress Topper Includes Expandable Removable Cover to Protect Your Memory Foam Topper and Easy to Clean Includes Cloud 9 Classic Comfort Pillow to Ensure You a Better Sleep 20 Year Limited Warranty Direct From Cloud9 Bedding Visco Elastic Memory Bed Company Exclusive formula makes you feel like you are floating on CLOUD9, sailing forth into a sea of dreams Made in the USA, does not contain any toxic ingredients, new foam odors will disipate if aired out.