Block Design Silicone Notebook Cover 100% pure silicone material With standard of FDA, LFGB Eco-friendly, Non-odorous 2012 ... Hot-Selling Promotional Block Design Silicone Notebook Cover1 100% pure silicone material with FDA, LFGB standards2 Eco-friendly, Non- ... Application:This is the best-selling kind of writing notebook in 2012, with the idea and design of block building, gives you ...