Letter set includes stationery, envelopes, and stickers in one paper case. The case can be used freely like a note or ticket holder when the contents are used out. The dull color is a cute and mature design. Product Dimensions: [Package size] W 4.9 x H 6.9 inches (124 x 175 mm); [Stationery] W 4.1 x H 5.8 inches (105 x 148 mm); [Envelopes] W 6.4 x H 4.5 inches (162 x 114 mm); Japanese Product Name: Maruai Miffy Letter Set with Case, Green Stationery 4 x 4 x 4 x Le