■ New ■ No price reduction for a single item ■ Combination changes possible ■ Not sold individually ■ Yu-Yu Mercari Mail (Yu-Packet Post Mini) ■ Size Approximately 9cm (height) x 14.5cm (width) ■ Material Outer fabric = Polyester Filter = Polypropylene (melt-blown non-woven fabric) Lining = Polypropylene Ear straps = Polyester, polyurethane Nose wire = Polyethylene ■ Target age 4 years old and up ★ 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 breathing difficulty ★ Uses soft flat rubber material for ear straps that are gentle on the ears ★ Small size, perfect for children