The set with envelopes features fireworks and hydrangeas. The other four items are letter sheets only. All have stamps on the back cover. Thank you. Colorful letter set with a sea theme, perfect for summer messages. - Design: Letter set with illustrations of the sea - Contents: Includes letter sheets with illustrations - Size: A5 size letter sheets - Quantity: Set of multiple letter sheets - Style: Colorful design that evokes summer - Usage: Can be used as letters or message cards Thank you for viewing.