Planning a birthday party? These ocean-themed invitations are absolutely perfect for making your kid's celebration extra special! The underwater design with colorful sea creatures is adorable for both boys and girls - think smiling fish, friendly octopuses, and maybe even a treasure chest or two. Each pack comes with 20 cards and 20 matching envelopes, so you've got plenty for the whole class, sports team, or family friends. The cards measure 4x6 inches, giving you plenty of space to write all the important details - date, time, location, RSVP info, and any special instructions. The cardstock is nice and thick with a premium feel that shows you put thought into the invitations. The high-resolution printing makes the colors really pop, and the eco-friendly material means you're being kind to the planet while planning your party. The envelopes have self-adhesive seals, so no licking required (thank goodness!). They're perfect for 3rd birthdays or any age really - the underwater theme is timeless and works for toddlers through elementary school. Whether you're going all-out with a full ocean decor party or just want cute invitations that set the tone, these deliver that 'wow' factor that gets kids excited about coming to celebrate. Plus, having everything in one set makes party planning so much easier - no running around to different stores for cards and envelopes!