We make a different duvet cover confections, the most usuals are:
Basic duvet cover: Complete cover, with an inner 40 cm flap and lateral openings at the top (hand openings)
Sack-type duvet cover with narrowed opening: Complete cover with no flap (sack type) and
lateral openings at the top (hand openings)
Reverse duvet cover: Complete cover with an outer 40 cm flap (to fold over as if it were a top sheet) and lateral openings at the top (hand openings)
Square duvet cover: Complete cover with an inner 40 cm flap, Oxford-style border and lateral openings at the top (hand openings)
Duvet cover with top-sheet effect: Complete cover with an inner 40 cm flap, lateral openings at the top (hand openings) and a broad 5 cm hem