Nikon Digital SLR Accessory Kit for Nikon D40 and D40x Digital SLR Camera System Carrying Case features rugged ballistic nylon construction; adjustable padded internal compartment panels and a comfortable padded shoulder strap. Carry spare power with an extra EN-EL9 Li-ion Rechargeable Battery INCLUDED Nikon School Guide to SLR Photography offers 75 pages of expertly written insight to truly better SLR pictures easily.