■ New ■ No price reduction for a single item ■ No changes to combinations ■ No individual sales ■ Yu-Yu Mercari Mail (Yu-Packet Post Mini) ※ The box is not included, but the inner bag is unopened! 2 sets → 2500 yen ■ Size 10 x 9cm (when folded) ■ Materials Outer fabric = Polyester Filter = Polypropylene Lining = Polypropylene Elastic string = Polyester, Polyurethane ■ Target age 2-3 years old ★ Uses non-woven fabric, which is highly effective against the scattering and inhalation of droplets ★ Three-layer structure with a three-dimensional structure 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