Cashews are classified into grades of various sizes and color. W signifies White Wholes and SW Scorched Wholes (mildly yellow) Wholes signify one full unbroken kernelPopular broken grades are WS(kernel split in half) LWP(kernel broken into 4 pieces) SWP(kernel broken into 6 pieces) BB(very small pieces)The biggest in size and the rarest (Super Jumbo) is W150 meaning one lb by weight of cashews will have 150 number of cashew nuts. W180 size will be smaller than W150 and one lb will have 180 cashew kernels. The higher the number the smaller the size. White color and larger sizes whole or broken. W320 is the standard grade of cashew.PACKS GRADE SPECIFIC CASHEWS W150-White Wholes 150 (Super Jumbo) W180-White Wholes 180 (Jumbo) W210-White Wholes 210 (Premium Large) W240-White Wholes 240 (Large) W320-White Wholes 320 (Standard) WS-White Splits LWP-Large White Pieces / SWP-Small White Pieces/ BB-Baby BitsRoasted varieties are available in 240 and 320 sizes.