kilofly Foldable Ultra Light Sport Backpack Duffel Gym Bag + Quick Dry Towel Set Ultra Light and compact - Only weighs 525 g (1.15 lb); The 45 cm (17.7 inch) bag can be fold into a 25 cm (10 inch) disc for easy storage. Versatile - Comes with a removable, adjustable shoulder strap; Can be used as a backpack or duffel bag Breathable, water resistant material - Helps to reduce bad smell and speed up the drying process Great Value - Comes with a highly absorbent, quick-dry sports towel Weight: 525 g / 1.15 lb; 45 x 25 x 25cm / 18 x 10 x 10 inch (L x W x H); When folded up: 25 x 25 x 4 cm / 10 x 10 x 1.5 inch (L x W x H)