The Rite In The Rain 301 Notebook is a compact and durable notepad designed specifically for civil engineers. With dimensions of 5 x 7 inches, this notebook is perfect for jotting down notes and ideas on the go. Made by the reputable brand Rite In The Rain in the United States, this notebook is built to withstand various weather conditions, making it ideal for outdoor use. The 301 model is known for its quality and reliability, making it a must-have for any civil engineer.