I have the belly band in brown and white ordered in size 44-48 and this size is perfect for me. Before pregnancy I wore size 40,42. I just first time rely on the other reviews with "buy it it expands in your size, it does not buy too big ...". Yes, unfortunately, the size 38-42 is much too narrow. Let me even had to get help from the part and I am only in a 5 month and have not increased significantly. Have them sent back. The size 44-48 I have space and I am hopeful that it will fit later. Interestingly enough, is in the belly bands and size it. In Amazon the size 44-48 is displayed and in the belts is "L". Would that be on the website, I would have ordered me equal in this size. This seller must pay transportation costs and also the cost of postage for resending. What is not now the world. The return costs are lower. My Belly warmer (2) came in a small envelope didnt fit in the mailbox (Verdsandkosten out: 1,95 EUR / shipping costs back 1.45 EUR)