Club 21, a luxury-brand retailer based in Singapore and with offices in Hong Kong, has teamed up with online auction site eBay for a good cause. In celebration of the company's 35th anniversary, two auctions of designer items will be held, with all proceeds to benefit environmental protection charities. Look for 35 pieces of designer clothing and accessories by labels such as Marc Jacobs, Tsumori Chisato, Giorgio Armani, Marni (see bag, below), Paul Smith, Maison Martin Margiela (see artisan piece, above) and more. The first auction will run from Thursday until October 28. The second auction will run from October 26 until November 4. For more information, visit www.club21global.com .