Eric Ya via Amazon offers Prime members the iCozzier 13.3" Synthetic Felt Ultrabook Laptop Sleeve for $9.39 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $8.26.) That's $4 under the lowest total price we could find for a similar sleeve. It measures roughly 14" x 10" and fits most ultrabooks with screens up to 13.3".