15 Pack Watercolor Cards with Envelopes, 140lb/300GSM 4x6 Cotton Paper in Foldable, Blank Cards and Envelopes for Greeting Cards Birthday Wedding Invitations DIY Thank You Card

["Premium Quality Paper: Made from 140lb/300GSM cold-pressed cotton watercolor paper that absorbs water beautifully and prevents warping or bleeding","Complete Set: Includes 15 blank foldable watercolor cards measuring 4 x 6 inches when folded, with matching envelopes for convenient mailing","Versatile Use: Perfect for creating personalized greeting cards, birthday invitations, wedding announcements, thank you notes, or custom artwork","Artist-Grade Surface: Features a textured surface ideal for watercolor, gouache, acrylic, ink, and mixed media techniques","Ready to Fold Design: Pre-scored cards fold smoothly to create professional-looking 4 x 6 inch finished cards for any special occasion"]