The colors of 17mm hexagon silicone beads RDB141 are the same as the colors of 15mm round silicone beads RDB119.
To choose the right colors you want, please browse the color options of 15mm round silicone beads RDB119, whose link is as follow.
The size of the hexagon silicone beads is 17mm*17mm*17mm
The length is 17mm from the hole's one end to the other end.
The diameter of the hole is 2mm.