This product is made of natural Igusa rush grass
named "KUSA" (meaning "grass" in Japanese)
the goddess of music
Please be aware of this before considering the product
REWEAR BLACK / Hoodie mug This product is made ofPlease read the following instructions before purchasing Instruction Materials Can be dyed: Cotton, Linen, Rayon, Cupra, Tencel, Iyocell Dyeing is not possible: 100% polyester, 100% acrylic, Silk, Wool, Nylon, Leather, Acetate, Triacetate, Down jacket Consultation required: Blends or interwoven fabrics made from dyeable materials (such as cotton or linen) and synthetic fibers (such as polyester, acrylic, or nylon) will generally not dye black because