Egyptian Bedding HARD-TO-FIND Five-Star Hotel LUXURIOUS Cool & Extra Plush 100% BAMBOO Fitted Mattress Topper Pad, 10 Year Warranty, Twin XL Size Cotton Luxurious 300 Thread Count 100% Rayon from Bamboo Mattress Topper Pad. Twin XL Size : 39" x 80" Luxurious bamboo cover filled with hypoallergenic alternative down cluster fiber Quilted with Diamond shape pattern prevents fill from shifting or moving around. Fits Mattress up to 18" deep with Elastic band all around to keep it firm on bed. Super Soft bamboo fabric helps regulate body temperature while allowing mattress to cool