Both sides are ink-coated with a coordinating fade-resistant color. Ideal for origami, negative/positive designs, silhouettes and more. Includes six color combinations: Flame/Dark Yellow, Orange/Violet, Nile Green/Apple Green, Magenta/Canary, Azure/Rich Blue and Emerald/Flame. Acid free. Recyclable. Sheets measure 12" x 18". Each pack includes 30 sheets.