The amount of bundles to purchase depends on the length and the style.  When purchasing please consider that the longer the hair, the shorter the weft.  The following recommendations applies to all textures. Full head natural look:For lengths 14” to 16” a minimum of 2 bundles is recommended for a full natural look.For lengths 18” to 22” a minimum of 3 bundles is recommended for a full natural look. For lengths 24” to 28” a minimum of 4 bundles is recommended for a full natural look.Full head voluminous look:For lengths 14” to 16” a minimum of 3 bundles is recommended for a full natural look.For lengths 18” to 22” a minimum of 4 bundles is recommended for a full natural look. For lengths 24” to 28” a minimum of 5 bundles is recommended for a full natural look.