FLAT MAIL SHIPPING (NON-TRACKED, US ONLY)

for FLAT MAIL orders, add this item to your cart to be charged for flat mail shipping!! when i pack your order, i will refund the USPS shipping cost which you paid at checkout. FLAT MAIL = STICKERS, STICKER SHEETS, 4x6 PRINTS if you purchase this item along with non-flat items (e.g. large prints, keychains, washi tape