This is a set of 4 bags of Refre Baby Junior pull-up diapers, which are larger than baby sizes but smaller than adult sizes. Contents: 20 sheets x 4 bags Size: SS Weight: 25-45kg Waist: 45-60cm Improved fit! Easy to wear These are unopened, but please understand that they have been stored at home. They will be shipped in a box from another diaper manufacturer. I work, so shipping may be delayed. Thank you for your understanding.