The Thule Motion 3 Box Liner (Size L) is a smart, custom-fit accessory that provides padded protection for both your gear and the interior of your cargo box. Designed specifically for the Thule Motion 3 (L size), this durable liner adds a layer of insulation to help minimize shifting and damage during travel—keeping your belongings and your cargo box in top condition. Whether you're transporting outdoor equipment or everyday luggage, this liner ensures a snug, secure fit and clean, scratch-free interior every time.