Tophatter's Inc. Sifter Box & Rolling TrayMade from natural pine material, these wooden sifter boxes feature a 125 micron mesh screen perfect for separating pollen from herb to be saved for later! These 3 piece boxes are held together by magnetic connectors and the pollen storage chamber has a tempered glass bottom so scooping up kief is easier than ever. The lid even features a rolling paper storage slot and can be flipped to use as a rolling tray.