It consists of a thermos with two walls, a lid, a folding spoon and a mug. The wide mouth of the thermos case ensures easy filling, holding and maintenance of the thermos. The folding spoon is equipped with two joints - when folded, it fits into the recess in the cap. The lid is perforated for easy opening/closing of the thermos. The outside of the cup is made of stainless steel and the inside is made of durable plastic. The system as a whole achieves excellent insulating properties. Keeps warm: 9 hours Keeps cool: 14 hours