Colsie offers bra-and-panty sets, bralette-and-boyshort sets, and low‑rise thong multipacks — generally pull‑on/pullover intimates.

Listings emphasize a ribbed texture and soft, stretchy knit fabric; some styles also include a cotton gusset.

Several listings specify a cotton gusset, and a few note a 100% cotton lining where applicable.

Materials vary by style: nylon/spandex blends (e.g., 94% Nylon/6% Spandex); multiple cotton/spandex blends (95%/5%, 91%/9%, 90%/10%); and a 57% Cotton/37% Recycled Polyester/6% Spandex blend. Several listings also note 100% cotton linings or cotton gussets.

Listings use labels like "Sizing: Womens" and "Sizing: Womens Plus," and some product titles include size markers such as 1X, L, or XL.

Common styles include bralettes and short-style underwear such as bikinis, thongs, boyshorts, and ribbed shorties.

Listed care instructions specify machine wash and tumble dry.

Packaging varies: listings commonly show single-piece items, two-piece sets, and three‑pair packs.