FILT FILT is a small company in Normandy, France, who has been manufacturing nets and ropes in Caen since 1855. The typical and authentic bags have stood the test of time due to their reliability and are used in France by generations of mothers and grandmothers as a traditional market bag. The net bags stretch to fill a wide array of groceries and goods and can support an extreme amount of weight - strong, expandable, practical, sustainable and ecological. The bags are all made of 100% OEKO-TEX® certified cotton - dyed in the North of France and knitted and sewn in the FILT factory in Caen.