Perfect to dress up. The underside of the sequins has what looks like hay.. my husband thinks it's part of the sequin stitching? See the last few pics.

The Catherine Lillywhite Floral Blouse with a Sequin Bottom is a stylish and elegant top perfect for any woman's wardrobe. Made in Italy, this one-size top features a stunning floral pattern in black with sequin accents that add a touch of glam. Designed for plus size women, this blouse is a versatile piece that can be dressed up or down for any occasion. The high-quality craftsmanship and attention to detail make this top a standout choice for any fashion-forward woman.