Summer's here (and so are short shorts). So bring some fun & style to your wardrobe with our custom printed women's 40Th Birthday Thong Panties. Express your true passions with cool designs sure to add a sexy touch to your life (in and out of the bedroom). These unique and comfortable undies are perfect for ladies who love sharing what's most important. Find funny thongs, panties, and underwear that support a favorite cause or celebrates a hobby or activity (like a day at the lake). And if the perfect words escape us, relax. It's simple (and fun) to personalize your own thongs with photos, text or whatever. Simply use our easy design tool to make your own personalized thongs.