TOHO Demi Round Beads Available in sizes 8/0 & 11/0 The Demi is more than a shape; it is a new concept in seed beading. Developed by TOHO in collaboration with Starman, the Demi Round is a thinner version of the traditional round seed bead with the same hole size and diameter. This exclusive innovation is made possible my the quality glass cane and precision of TOHO manufacturing.