Reusable diaper

A reusable diaper shaped as a pair of pants designed to house a removable absorbent insert (6), wherein the diaper comprises an elongated central piece (5) impermeable to water and designed to house said insert (6), and two side pieces (12,13) arranged on opposite sides of the central piece (5),

• at least one of the side pieces (12, 13) is made of a material permeable to water and arranged stretchable to allow stretching of a waist (1) and a leg (2) opening of the diaper,
• the central piece (5) and the stretchable side piece (12) are joined together by a joint (15,16) forming a liquid barrier,
• said central piece (5) comprises an inner panel (9,10) and an outer panel (8),
• one edge part (12b) of said stretchable side piece (12) is joined between the outer and inner panels (8;
• 9, 10) by a first sewn seam (18), and
• the outer and inner panels (8;
• 9, 10) are joined together by a second sewn seam (19) arranged at a distance from said edge part (12b) of the stretchable side piece (12), thereby forming a waterproof seam (15, 16);
• wherein the respective outer and inner panels (8;
• 9, 10) are folded over the first sewn seam (18) and extend to the second sewn seam (19), with the first sewn seam (18) hidden between the respective outer and inner panels (8;
• 9, 10).