I-Sea Products for Sale up to 90% Off Retail: Poshmark。• Hand polished, bio-based acetate frame • Injected wire core temples for added flexibility • Five-barrel industrial hinges • Anti-reflective • Scratch-resistant coating • NWT Supremely well-made. Quality glasses. About I-Sea~ Conceived and designed in sunny California, I-SEA’s line of ultra-modern sunglasses offers polarized and UV protection that complements any face shape. From soaking up vitamin “sea” in the tropics to gracing those city streets, the brand inspires wearers to enjoy the sun again.