Tenba Shootout Medium Backpack with Wheels - Black (632-343) Fits most 15 inch laptops also 17inch MacBook Pro/PowerBook size Rolling Backpack version features inline skate wheels and retractable mono-tube handle. When not carrying tripod in MSTC System tripod compartment becomes extra full zip-around pocket large enough for a jacket newspapers/magazines etc Exclusive, fully-adjustable MSTC Multi-Stage Tripod Carrier System securely accommodates all popular outdoor tripod types and sizes Hand-carry straps on top of pack and both sides let you grab and go from any position.