CASE

摘要

PROBLEM TO BE SOLVED: To provide a case whose lid cannot be easily opened. SOLUTION: This case 10 has a rectangular cylindrical main body 12. The upper end of the main body 12 has a lid 14. The lid 14 includes an outer lid flap 14a, two side lid flaps 14b, 14c and an inner lid flap 14d. The extremity end of the outer lid flap 14a has an insertion piece 16. Both ends at an interface segment between the outer lid flap 14a and the insertion piece 16 have slits 18. Corners of the side lid flaps 14b and 14b have recesses 20 for inserting the insertion piece 16. The inner lid flap 14d also has an insertion hole 22 for use in inserting the insertion piece 16.