Select Comfort Sleep Number Foam Rails 4 Pezzi - Twin Taglia XL, Grigio, 6" Alto Usato
2 Short Foam Rails: 29" L x 4" W x 6" H. 2 Long Foam Rails: 78.5" L x 4" W x 6" H. Compatibility: Twin XL Size. Color: Gray. This is normal after extended periods of use. Wear may be present. Functionality as stated.