17 inch Laptop Backpack, Large Travel Backpack for Men Airline Approved with USB Charging Port and TSA Friendly, RFID Anti Theft Water Resistant Bookbag Fit for College High School Students Weekender
Large Travel & Laptop Backpack: Exterior dimensions of the 17 inch laptop backpack: 19.0 * 14.6 * 10.2 in（48.3*37.1*25.9 cm）. Capacity: 45 L. backpack with laptop compartment provide excellent protection for laptops and tablets up to 17.3 in.
TSA Friendly & Luggage Straps: At checkpoints, the 180 degree free unfolding backpack gets you through airport security quickly and is designed for air travel. Attach the backpack to the luggage strap trolley to release the pressure on your shoulders. As a durable and Travel Backpack Airline Approved you can use it for air travel, camping, business and other trips.
RFID Backpack & Anti-Theft: The RFID pocket's radio frequency identification feature helps protect your personal data encoded on your credit card, ID card and passport, and the oversized anti-theft pocket on the back of the Travel Backpack makes it easy to keep your phone and wallet inside.
USB Charging & Water-resistance: An external USB port with built-in charging cable makes it easy to charge your phone anywhere you go (POWER BANK IS NOT INCLUDED). Made of water-resistant, robust polyester fabric (not recommended for prolonged immersion), this work backpack for men can withstand harsh conditions and heavy use.
Comfortable Back Design & Shoulder Straps: Airflow is aided by the U-shaped three-dimensional ventilation design on the back. The shoulder straps on both sides have a lanyard design for hanging sunglasses and pendants. This Laptop Backpack is an ideal gift for men or women for New Year and Christmas for peace of mind, comfort and style.

Calculated Industries 44080 Construction Master Pro-Desktop Advanced Construction Math Feet-Inch-Fraction Calculator with Trig Tool for Architects, Estimators, Contractors, Builders and Remodelers
SOLVE ALL YOUR DIMENSIONAL MATH quickly and accurately with the award-winning CM Pro-Desktop construction calculator’s powerful built-in solutions for building; and full trig functions with sine, cosine, tangent, arcsine, arccosine and arctangent
LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats: feet-inch-fractions, decimal feet-inches, yards and metric -- including area and volume. Plus weight-per-volume and D: M: S to decimal degree conversions too
TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more
HELPS YOU PREVENT COSTLY MATERIAL WASTE with built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Plus compound miter functions help avoid errors when working with crown molding and other millwork
INVALUABLE' TOOL PAYS FOR ITSELF by reducing headaches, saving time and preventing expensive material errors on your projects, from the office to the field. Comes with a large digits on easy-to-see multi-position tilt display LCD, easy-to-follow user’s guide, plus a pocket reference guide in Spanish, full-size keys, long-life battery and full one-year limited

Calculated Industries 4065 Construction Master Pro Advanced Construction Math Feet-inch-Fraction Calculator for Contractors, Estimators, Builders, Framers, Remodelers, Renovators and Carpenters
SOLVE ALL YOUR DIMENSIONAL MATH quickly and accurately with the award-winning CM Pro construction calculator’s powerful built-in solutions for completing layouts, plans, bids, estimates and more, directly in the building units you prefer
LETS YOU EFFORTLESSLY WORK IN AND CONVERT between all common building dimension formats: feet-inch-fractions, decimal feet-inches, yards and metric -- including area and volume. Plus weight-per-volume and D:M:S to decimal degree conversions too
TIME-SAVING BUILT-IN FUNCTIONS for right angles give you instant solutions for square-ups, rafters (hip, valley, jacks), rake-walls, slopes, angles and more. Plus complete stair layout, advanced solutions for arcs, arches, circles, columns and more
PREVENTS COSTLY MATERIAL WASTE with built-in solutions for roofing, drywall, studs, blocks, concrete footings and board-feet lumber estimating. Plus compound miter functions help you avoid errors when working with crown molding and other pricey millwork