Question: how much does a king size mattress weigh in kg?
Answer: The EU Double Casper mattress weighs 35 kilograms on its own and 38 kilograms packed in the box. The King Casper mattress weighs 38 kilograms on its own and 41 kilograms packed in the box. The EU King Casper mattress weighs 40 kilograms on its own and 43 kilograms packed in the box.