■ New ■ No price reduction for a single item ■ Not for individual sale ■ Combination changes possible ■ Yu-Yu Mercari Mail (Yu-Packet Post Mini) ■ Size 12cm (height) x 10cm (width) (when folded) ■ Materials Outer fabric = Polyester (Spunlace non-woven fabric) Polypropylene Filter = Polyethylene (Melt-blown non-woven fabric) Lining = Polypropylene Elastic string = Polyester, Polyurethane ■ Target age 4 years old and up ★ Uses non-woven fabric highly effective against the scattering and inhalation of droplets ★ Three-layer structure with a three-dimensional design for excellent dustproof effect ★ Creates space around the mouth to reduce stuffiness ★ Fits the face with a three-dimensional curve that prevents gaps ★ Uses soft flat elastic that is gentle on the ears ★ Small size, perfect for children