When diving, you travel often and your laptop normally travels with you to and from dive boats, and different dive sites. It has your learning materials and/or your decompression software on it and you like to keep it close. However, it's no mystery that water and laptops don't mix. This Poseidon waterproof case will keep your laptop safe from, splashing, spilling and dipping. Also, it is made from extremely durable material, designed to protect your computer from unwanted drops and bumps.