This product adds fragrance to oshibori (wet towels) simply by placing it in a hot box. The pleasant scent deeply permeates the oshibori. It can be used year-round, chilled in the summer and warmed in the winter. It's also very economical. It's easy to use; just cut open the aluminum pouch with scissors and place it in the box. Shipping will be done with the box disassembled to save space.