Bags such as this one are often very roomy. The material of choice for this bag is polyester and it holds 95 litres.
From Amazon
Osprey Transporter 95 Unisex Duffel Bag Venturi Blue - O/S
The product is available from £111.05 at international stores.
Trekkinn
Osprey Transporter Backpack 95l Blue
This product is also available at 1 unverified merchant.