DMI Egg Crate Sculpted Foam Chair Cushion, Seat Cushion for Car, Office Chair or Wheelchair Cushion to Relieve Back, Tail Bone Pain, Sciatica, 18x16x4, Without Back - Walmart.com
Amazon.com: College Dorm Twin-Extra Long, Hospital Bed Twin, Egg Crate Mattress Topper, Convoluted Foam for Pressure Sores and Pain Relief, (74" x 38") : Home & Kitchen
Mattress Topper Twin, WhizMax 3 Inch Green Tea Egg Crate Memory Foam Mattress Topper with Zippered Bamboo Cover, Cloud-Like Soft - Walmart.com