stickers & cards › Castle Peak Card Image 1 of 2 Image 2 of 2 Castle Peak Card $5.00 Blank greeting card detailing Castle Peak in winter. 4x6 inches printed on 100% recycled paper. Comes with an envelope. Quantity: Purchase Added! Blank greeting card detailing Castle Peak in winter. 4x6 inches printed on 100% recycled paper. Comes with an envelope.