This printed backpack is made in 100% cotton canvas. It is lined with polyester fabric and has net pockets on the sides for holding bottle etc. It has a large zip pocket at the back for quick access items and another large zip pocket in the lining. It has a zip closure. The bag has adjustable shoulder straps for easy carrying. Dimensions: 43.2 cms x 33 cms x 12.7 cms (Height x Width x Depth).