You use a zipper to close this bag. The material of choice for this bag is polyester and it has a 32-litre volume.
From OnBuy
(One Size, White) BagBase Packaway Barrel Bag / Duffle Water Resistant Travel Bag (32 Litres)
The Activewear Group
Bagbase Packaway Barrel Bag BG150 White One Size Colour: White, Size: