Amazon Basics Fully-Encased Waterproof Mattress Cover Protector, Twin XL, Low Profile 9 to 12-Inch Depth
- ['100% Polyester', 'Imported', 'Twin XL mattress encasement provides complete 6-sided mattress protection', 'Heavyweight polyester knitted fabric (145 gsm); full zipper closure on all 4 sides', 'Waterproof for protection against liquid spills; vinyl-free; breathable and quiet', 'Low-profile 9-inch depth; can stretch to fit mattresses up to 12 inches deep', 'Reduces exposure to bed bugs and dust mites', 'Backed by an Amazon Basics limited']