Abstract: A multiform backpack includes a back portion provided with first disengageable connecting means and a pair of shoulder straps equipped with coupling means, and a variety of flexible bodies with different shapes and configurations selectively interchangeable with each other, and equipped with respective second connecting means complementary to the first connecting means for the union to the back portion, as well as fastening elements for the coupling means of the shoulder straps.

Abstract: The present invention relates to a reversible backpack comprising at least one wall and at least two shoulder straps (43) to carry the backpack (10), attached to the wall. The wall comprises, on opposite sides and on a area above the wall, first (31a) and second hooking elements designed to be hooked alternatively to correspondent first hooking means (61) attached to first ends (51) of said shoulder straps (43) and on opposite sides and on an area lower than the wall (21), third (33a) and fourth hooking means designed to be hooked alternatively to correspondent second hooking means (62) attached to second ends (53) of said shoulder straps (43). The invention also relates to a couple of shoulder straps (43) for a backpack and to a reversible body (12) for a backpack.

Abstract: The present invention relates to a reversible backpack comprising at least one wall and at least two shoulder straps (43) to carry the backpack (10), attached to the wall. The wall comprises, on opposite sides and on a area above the wall, first (31a) and second hooking elements designed to be hooked alternatively to correspondent first hooking means (61) attached to first ends (51) of said shoulder straps (43) and on opposite sides and on an area lower than the wall (21), third (33a) and fourth hooking means designed to be hooked alternatively to correspondent second hooking means (62) attached to second ends (53) of said shoulder straps (43). The invention also relates to a couple of shoulder straps (43) for a backpack and to a reversible body (12) for a backpack.