A backpack cover is included in the pouch. It should fit most women's daypacks. Size: (Cover size) Length 40cm, Width 36cm It stretches because it has elastic. (About size) The actual size was measured flat. Please understand that there may be slight errors. Color: (About the color in the image) Colors may vary depending on your PC or mobile environment, and individual perceptions of color also vary. Color expression is very difficult, both in words and in photography, and there are limits to expressing the exact same color as the actual color. Please understand this. Condition: It has been used very little and is in good condition with no stains or fabric wear.