Serinity hotfix crystals Cushion (2471) Crystal AB are flat back crystals where the reverse side of the crystal has been pre-coated with a heat-sensitive glue. Serinity Cushion shaped flat back crystals are a square shape that features rounded corners have a cushion-like look. These crystals boast a flat top with numerous facets that surround it, producing an impressive gleam and sparkle. The facets are meticulously arranged in a pattern that enhances the reflection of light to its fullest potential.

Crystal AB is a colourless, transparent crystal bead that has a special coating that reflects light in a rainbow of colours, hence the name AB which stands for Aurora Borealis. It is a popular colour in the world of jewellery making and beading, as it adds a touch of sparkle and glamour to any design.