Size: Cards measure a generous 4“ x 6” when folded. Envelope size is 4.3" x 6.3". Blank on the inside: Includes 5 different designs! Blank Inside. Each pack Includes 50 thank you cards, 50 envelopes and 50 stickers. Matching envelopes included: Each envelope's interior is lined with the wild animals pattern to perfectly match each card. Cardstock: All cards are made of heavy-duty paper at a grade of 300 grams per square meter. All envelopes are with a water-activated adhesive seal. Safari thank you cards: Safari thank you cards are suitable for your baby shower, baby sprinkle or birthday party. Safari Thank You Cards, 4x6" Jungle Animals Thank You Notes with Matching Envelopes & Stickers, Greenery Notecards, Jungle Baby Shower Birthday Thank You Cards