Document your underwater discoveries with confidence. This Marine Sports underwater notebook features durable Cordura construction designed to withstand the demands of aquatic environments. The 50-page waterproof insert keeps your notes safe and legible, while the included waterproof pencil—secured by a sturdy elastic cord—ensures you're always ready to record observations. An inner storage sleeve provides convenient space for additional items. Compact at 7.5 x 5" when closed, it's the perfect companion for divers, snorkelers, and water sports enthusiasts who refuse to let their insights slip away.