Size: Birthday invitation measuring are 4 X 6 inches. Package included: 20 Pcs invites with 20 envelopes. Material:These cards are double-sided printing on 250g high quality writing paper, Easy to write Deign:Exquisite pattern design can delight your guests,create a relaxing and pleasant atmosphere. Application:Write down your birthday party details，Invite family and friends to your birthday party, impress your guests with the exquisite patterns and high-quality printing. Hope you and your guests have a great time Size: Birthday invitation measuring are 4 X 6 inches. Package included: 20 Pcs invites with 20 envelopes Material:These cards are double-sided printing on 250g high quality writing paper, Easy to write. Deign:Exquisite pattern design can delight your guests,create a relaxing and pleasant atmosphere. Application:Write down your birthday party details，Invite family and friends to your birthday party, impress your guests with the exquisite patterns and high-quality printing.Hope you and your guests have a great time