This item provides a snug fit and securely supports the postpartum pelvis. It's easy to put on by yourself – just pull it tight and fasten it with the Velcro closure. Free Size (Hip size: 87-105cm) Materials: Surface: 96% Nylon, 4% Polyurethane; Padding: Polyurethane resin; Inner: 100% Nylon I'm selling this because I no longer need it. While it's not something you use for a long time, it can provide peace of mind for your postpartum pelvis. Please note that this item has been stored at home and is not new. *The instruction manual shown in the image is not included.*