S = 4x6 inches, M = 5x7 inches.High Quality: 250gsm thick cardstock with premium texture and thickness for a high-end feel. Perfect Size: 4x6 inches suitable for greeting cards, invitations, party favors, showers, weddings, birthdays and more. Unique Design: High quality cardstock envelopes with shiny heart-shaped stickers for a special look. Convenient to Use: Pre-folded cards and envelopes with glue flap for easy secure closure, stickers easy to apply. Large Quantity: 50 dusty blue envelopes, 50 dusty 4x6 folded thick cards and 50 stickers for various occasions. Weight: 1.3 pounds.