This is the 909 Exclusive Weft which is the top of the line hair by The Hair Shop, Inc. With the longest lengths being 18" & 22", you cannot go wrong with this product in terms of lengthening and volumizing. This bodywave weft can be straightened, curled, and heat styled to your desired goal. This stock is limited in quantity, meaning once it is out of stock, it will not be available anymore, so get yours quickly as it is recommended to buy these in bulk to get the best prices.