Cotillon Yang is a wholesale importer and retailer of party-supply items, based at Azcuénaga 379 in the Once area of Buenos Aires. Its online store serves customers purchasing in bulk, with a minimum order of 300,000 pesos or purchases by full package. Shoppers can browse products and manage orders through the website, with account registration and sign-in available.

The catalog covers decorations, accessories, lighting, and costume items for celebrations and events. Products include metallic, holographic, pastel, and heart-shaped curtains; birthday banners; tablecloths; manual horns; and battery-operated LED wire lights. The selection also features party hats, glasses, masks, headbands, wigs, whistles, candles, LED accessories, confetti launchers, mirrored balls, gift bags, and Halloween and assorted cotillion goods. Costume options include butterfly wings and a children’s bee costume set.

Cotillon Yang lists product prices and package formats online, though availability varies. The business provides shipping information and customer assistance by email, website contact form, and WhatsApp. Customers can contact the team at [email protected] or visit its Azcuénaga Street shop.