When getting a cloth diaper, you may need some insert replacement. Alvababy diaper inserts are the best choice. We have all sorts of insert that you can always find the one your want here. *5 layers design: 2 layers 250g fiber(outside) + 3 layers microfiber(inside). This makes it super absorbent. *Dimension of insert: 31cm in length(12.2'') *8cm in width (3.15'') *Easy use and very Soft. Comfortable and breathable. *Machine washable and dryable. *Wash temperature:under 30°C. (less than 86 °F) *Size: For Newborn Diapers. Should i wash them bofore use? Wash before first use. Please wash colours separately It usually will take a few washes to reach its full absorbency (could be 6 washes or more) Place the insert inside the nappy through the open pocket in the back Liquid will be absorbed through the inner layer of the nappy to the insert More than one insert may be needed when sleeping or when necessary How to wash inserts? Remove and rinse off the residuals (knock solids into toilet), then store in dry pail; Machine wash (no hotter than 35oC), cold rinse; Hang them up to dry in the sun (sunlight helps bleach the nappies to remove any remaining stains), or "Low" tumble dry; Do not store inserts for too many days, should be washed in 1-2 days; No bleach, No softner. How to treat heavy wetter? You do generally have to change them more often than most people change disposables since some leave their children in disposables for 4+ hours. You are looking at changing cloth diapers every 2-3 hours as a general rule of thumb.