Amscan Sweet Sparkle Birthday Party Invitations And Thank You Notes Cards Supplies (20 Pack),  3 7/8" x 5 5/8", Multicolor Invitation cover features the hot pink, silver and black color combination with a tiara and a "Sweet 16" and "You're Invited!" headlines. Interior features "For," "Date," "Time," "Place," and "RSVP." Thank you cards feature the same color scheme with a "Thank You!" headline. Interior is blank for your personal message. Package includes 10 invitations, 10 thank you cards and envelopes measuring 3 7/8" x 5 5/8".