Rainbow Iris Opaque Glossy Back Reversible Sequins have an iridescent finish. Size and Pack Specifications: 18mm is approximately 0.70 of an inch. 100 sequins per pack. Hole location: Top Incredible sequins and paillettes. Made in USA. Great for sewers, costumers, displays, studio, theatrical productions, earrings, arts and embellishments. Can be used for pendants, earrings, fabric embellishment, home décor, decorative arts. Rainbow Iris Opaque Glossy Back Reversible Sequins have an iridescent finish. Size and Pack Specifications: 18mm is approximately 0.70 of an inch. 100 sequins per pack. Hole location: Top Incredible sequins and paillettes. Made in USA. Great for sewers, costumers, displays, studio, theatrical productions, earrings, arts and embellishments. Can be used for pendants, earrings, fabric embellishment, home décor, decorative arts.