Thule Roof Box Buyer's Guide Durable, highly weather-resistant cargo bag with space for a family's gear. Specifications Volume 453 L External dimensions 101.6 x 96.5 x 45.7 cm Weight 2.5 kg Locks included No One Key System compatible No Color Black/Grey Fits Thule AeroBlade Yes Fits Thule SquareBar Yes Model number 869 Features Ultra-high protection against the weather due to IP-X3 test-certified weather resistance Durable and long-lasting with a lower environmental impact, thanks to double-coated, phthalate-free TPE laminate material Padded base protects vehicle finish from abrasion Easy, weather-protected access to gear via the coated, 3-sided zipper with generous storm flap Cargo securely positioned with minimal friction and noise while in transit, thanks to twin compression straps Bag is attached to roof rack crossbars or raised rails using heavy-duty, double-stitched webbing straps (included) Easy and compact storage