Pool Birthday Party Supplies -Swimming pool party shape Make your birthday party unforgettable with our charming invitations designed for the occasion. 30 Sets with Envelopes - This flamingo swimming pool party birthday invitations includes 30 invitations and 30 envelopes High-Quality Cardstock - Our cards feature vibrant, colorful printing on sturdy cardstock, perfect for swimming pool party celebration. Fun Design - Your guests will love these exciting swimming pool party party invitations, getting everyone eager to join the fun! Dimensions - Each card measures 4.4 x 6.3 inches. Pool Party Birthday Invitation for Girls, Summer Swimming Pool Party Invites, 30 Sets with Envelopes