The G-Form Extreme Sleeve™ for laptops, utilizing RPT™ – Reactive Protection Technology, a composite blend of PORON® XRD™ material & proprietary G-Form materials & technology, is designed specifically for the 11", 13" & 15" laptop user who is on the go. The G-Form Extreme Sleeve™ for laptops, utilizing RPT™ – Reactive Protection Technology, a composite blend of PORON® XRD™ material & proprietary G-Form materials & technology, is designed specifically for the 11", 13" & 15" laptop user who is on the go. The soft, flexible, lightweight, water-resistant Extreme Sleeve™ can easily be placed into another bag, backpack, or suitcase & protect your laptop from impact. With the G-Form Extreme Sleeve™ you can be confident that your laptop is protected everywhere you go.