Features: Portable design: Our black catalog envelopes have proper size, small and light, won't take up too much space, you can put them into your bags, and you can carry them to other places easily, will bring you convenience in using. Considerate presents: If you have friends who need some booklet envelopes in the daily life, you can give them ours, they will like these gifts and feel happy. Specifications: Material: 120g paper Color: black Size: approx. 9 x 12 inches/ 22.9 x 30.5 cm Package includes: 100 x Booklet envelopes Notes: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays.