JustSlips.com is an online marketplace for buying and selling used underwear and related items. Its listings include panties, briefs, thongs, boxers, bras, socks, tights, leggings, shoes, and other intimate apparel, with products offered by individual sellers through their own shops. Buyers can browse seller profiles, view current listings, and communicate with sellers for free.

The platform says it verifies sellers and supports discreet shipping, secure payment options, buyer protection, and customer assistance. It also emphasizes privacy, recommending that sellers use usernames that do not reveal their identities and take care when sharing personal information or posting photos. Sellers can register for free, create a profile, manage listings, and set up a personal storefront. An optional annual plan offers features such as unlimited products and sales, greater visibility, analytics, customer ratings, live chat, prioritized support, and a personalized store URL. JustSlips.com also publishes practical articles about selling worn underwear and related topics, helping users understand listings, pricing, payments, and shipping.