● Ships within 24 hours ● ■ Brand new, unused inner mask made in Japan. ■ 40 sheets (1 sheet with 4 pieces x 10) Size of one piece: 8cm x 8cm ■ Please stick it inside your mask. ■ One sheet per day is recommended. ■ It's a sticker type, so you don't have to worry about it slipping. ■ It is a very hygienic inner sheet. ■ It is also recommended for those who have a small number of masks or for use with handmade masks. #InnerMask #InnerSheet #Disposable #MaskLabel #MaskSeal #Gauze #Cotton #ReplacementSheet