Ulfhednar Brick Support Bag Wolf Grey. Filled with plastic pellets. The filling may be adjusted YKK(R)-zipper opening. Top-Grip(R) friction material on one of the sides. Specifications for Ulfhednar Brick Support Bag: Manufacturer: Ulfhednar Color: Wolf Grey Fabric/Material: Cordura Length: 4 in Width: 3 in Height: 5 in Weight: 400 g Accessory Attachment System: Velcro Package Contents: Ulfhednar Brick Support Bag Ulfhednar UH101-LW: Brick Support Bag Wolf Grey