Why would you want to ruin the elegance of your Apple Iphone 4/4S by putting on bulky, ugly silicon jacket, or thick colorful tacky cases? You want to protect your Iphone while maintaining its original grace without adding on more weight or size. This Ultra Thin Iphone jacket provides protection for your iphone without the bulky look. It is only 0.7mm thick and less than 0.1oz, but made with unique flexible plastic so it does not crack like an egg like all the other bulky clear crystal case. This is a case you have to use if you like how your Iphone looks, but wants to protect it without ruining its original grace.