Package: The invitation set Including 20 invitation cards and envelopes, perfect for your summer family gathering, pool party. Size: The size of summer invite card is 4x6 inches, easily fill in important party details with included space for date, time, place, and rsvp. Design: The pool party card designs are with vivid colors and double sided design. Material: These summer birthday invitations card are made of heavyweight cardstock, and writing with any pen without smudging. Occasion: Pool Party Invitations for boys and girls summer birthdays, swimming party, and other various party. Package: The invitation set Including 20 invitation cards and envelopes, perfect for your summer family gathering, pool party. Size: The size of summer invite card is 4x6 inches, easily fill in important party details with included space for date, time, place, and rsvp. Design: The pool party card designs are with vivid colors and double sided design. Material: These summer birthday invitations card are made of heavyweight cardstock, and writing with any pen without smudging. Occasion: Pool Party Invitations for boys and girls summer birthdays, swimming party, and other various party.