White based bubble beads - there is a small bubble trapped in the centre of each dot of colour.  You can order these singly, by the pair or in multiples of whatever you want.  Choose from 16 options to pick your colours.  The colour description is the coloured dot. Options are listed left to right and then top to bottom. Made on 2.4mm mandrels the beads average 13mm diameter x 9.5mm hole to hole.