Monsoon Updraft WalletWaterproof Shell Color: Olive and Black Material: Rugged TPU, Strong Elastic Fits: On the Go Notebooks, the Portage Pen, 6 slots for credit cards Tough Elastic Secures Contents in Place General purpose, all weather notebooks and notepads feature horizontal lined or metric grid pages. They resist water, sweat, grease, and mud in construction and utilities applications, or agricultural and forestry environments.