Material: 130gsm Quality Pearl Paper,Surface is shimmer with very nice sparkle. Size: 5.35 x 7.7 Inches.(Fit for 5x7 inches invitation cards,and fit for all rectangle invitations pocket of our store ) EASY TO SEAL GUM FLAP ENCLOSURE: Apply water to edges of flap and stick. Due to the ray, camera,monitor,people's feeling,etc, the color of the picture that may be slightly different from the real color. MULTIPLE USES: Great for mailing holiday cards, greeting cards, invitations, announcements, cards, photos, letters, personal mail and direct mail. Material : Pearl Paper. Size: 5.35 x 7.7 Inches.(Fit for 5x7 inches invitation cards,and fit for all rectangle invitations pocket of our store ) EASY TO SEAL GUM FLAP ENCLOSURE: Apply water to edges of flap and stick. MULTIPLE USES: Great for mailing holiday cards, greeting cards, invitations, announcements, cards, photos, letters, personal mail and direct mail.