henry and grace ultrafine Merino garments will last for generations. If you would like to store your garments or blankets for a long period of time, we recommend that all items are firstly machine washed at 30 degrees and thoroughly dried before storing. Fold items neatly and seal in a clean, sealable storage bag. henry and grace recommends including a bar of natural soap in with the garments. This acts as a natural moth repellant.