4mm cup sequins. Made in USA. 1250 sequins per pack. Size and pack specifications: 4mm is approximately 1/6 inch. 1250 sequins per pack. Crystal rainbow iris materials are clear with a finish on the surface that reflects like with multi colored hues. As it moves it takes on different hues and colors over the base color. Duo materials are reversible, either with a different color, finish or subdued effect on the reverse. These beautiful sequins are produced from high, quality, vibrant material. Made in USA. Perfect for clothing embellishing, ornaments, costumes, display and art projects.