Features: You do not need to prepare glue or tape for using our envelopes for gift cards, which can hold the inside item safely, not easy to drop or fall, and you can share with others You can put the greeting card sleeves in your coat pockets, purses, handbags, backpacks, and other places, convenient for you to send them to others Material: 250 g paper, PET Color: brown and clear Size: About 4 x 2.8 inches/ 10.5 x 7 cm Window size: about 2.95 x 1.61 inches/ 7.5 x 4.1 cm Package includes: 50 x Envelopes for gift cards Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.