Polymath Products Waterproof Notepad 100% water resistant stone paper notebook. Handy pocket/palm size (3 x 5 inches).

All-weather, all-purpose notepad, featuring 100% waterproof stone paper. 50-sheet wood-free stone paper notepad, spiral-bound with durable plastic front and back cover. Impervious to water, mud, dust, grease and sweat. No special pens required - you can use any regular biro, ball-point pen, pencil or write-anywhere pen with this pad. Ideal notepad for everyday use, at home or work, or for travel/outdoor use; will stand up to the harshest environments and conditions. Double-sided squared paper. Handy pocket/palm size (3 x 5 inches). Notepad size: 134mm x 76mm x 13mm, weight 69g.