Never tried our trays before and want to test them out? Please order a maximum of 1 tray per diameter eg. 1x 0.07 d curl 1x 0.05 CC curl 1 x 0.18 C curl etc. Our sample trays includes 6 rows from 10mm-15mm available in D,DD,C, CC curl and diameters 0.03, 0.05, 0.07, 0.15, 0.18.