Now at Amazon, the Disney Frozen Rolling Backpack that is regularly priced at $30, is on sale for $16.50. Plus you can stack the promo code GRNMON14 to save even more! After the sale and promo code you’ll score it for only $11.55 plus Free 2-Day Shipping with Amazon Prime, sweet! As usual, prices on Amazon can change at any time so be sure to order yours before the price increases.