IKEA Stopp Filt fleecy underlay. Bag is dusty but contents clean inside. Been stored dry indoor
See here for details https://www.ikea.com/gb/en/p/stopp-filt-rug-underlay-with-anti-slip-90132261/
Rug underlay, new unopened (Leytonstone E11)
This offer has been gifted to someone and is no longer available.