Case having double thermoplastic polyurethane layers for electronic devices

A case (100) for an electronic device (200), comprising:

• a protective cover (10) having a side wall (20) wherein the side wall (20) significantly covers a side portion (210) of the electronic device (200) and the side wall (20) comprises an inner surface (21) and an outer surface (22) wherein the inner surface (21) faces the electronic device (200) and a longitudinal recess (23) is formed on the inner surface (21);
• and
• a longitudinal insert member (30) removably received in the longitudinal recess (23) wherein the longitudinal insert member (30) comprises an inner wall (31) and an outer wall (32) wherein the inner wall (31) faces the electronic device (200),
• wherein the longitudinal insert member (30) further comprises a top wall (33) and a bottom wall (34) so that the longitudinal insert member (30) forms a tube formed by the inner and outer walls (31, 32) and the top and bottom walls (33, 34),
• wherein the inner wall (31) and the outer wall (32) face a substantially same direction, and
• wherein a cross-section of the tube is substantially arc-shaped.