Le Blanc Dryer Sachet. To Fragrance Fine Linens in the Dryer. Bring the essence of nature into your home with Le Blanc DryerSachets. These beautifully decorated dryer sachets are filled with a variety of unique fragrances to lightly scent your finest fabrics while in the dryer. Your household linens will smell like they have been line-dried in the fresh outdoors. Simply toss one sachet into the dryer with wet linens, sheets, towels and apparel. Unlike dryer sheets that only last for one dry cycle, our sachets are reusable for at least a dozen dry cycles per sachet. Why use this product: Won best new product in the home textile industry 2006. This product should be used in place of traditional dryer sheets which leave an oily film on fine linens as well as causes them to pill.