Lowepro ProTactic BP 250 AW Backpack for Mirrorless Camera, Laptop & Smartphone Specifications: Fits:Mirrorless camera with lens attached (such as Olympus OM–D E–M1 with 12–40mm)3–4 extra lenses or flashesUp to an 11 laptop (such as MacBook Air)SmartphoneSmall accessories and personal itemsTechnical Specifications:Internal Dimensions:26 × 11.1 × 41.5 cm (10.24 × 4.37 × 16.34 in)External Dimensions:28 × 15.5 × 44.4 cm (11.02 × 6.10 × 17.48 in)Laptop Compartment:25 × 4 × 33 cm (9.84 × 1.57 × 12.99 in)Weight:1.8 kg (3.96 lbs)