The display has an HD closure. There is an option for 5”x5” HD, 13"x4" HD, 5”x5” transparent, or 13"x4" transparent lace (HD is the thinnest and most natural) Wavy bundles machine sewn on a breathable cap Glue-less/non-s This hair can last a year or more with proper care. This is a pre-order unit and will take up to 3 weeks to be delivered via USPS. For sanitary reasons, there are no exchanges or refunds on units. There may be slight differences in each unit.