Hello Big Tyvek Bag. 
Looks like paper, feels like paper but ‘s a water-wind-tear proof bag. Hand painted. 
Size;
14.5” wide - 13” high - 5” deep
37cm breed - 33cm hoog - 12 cm
Handles + 8” inch  - 20 cm 
Total hight; 21 “ inch 55 cm hoog