**Tri-Clip Professional Clipboard:** The 11 x 17 clipboard features a tri-clip mechanism. Its elongated design accommodates both portrait and landscape formats. Suitable for both indoor and outdoor use, even in windy conditions, paper is firmly held in place by three clips, providing enhanced stability.
Widely Applicable: clipboards 11x17 are perfect for industry, architecture, design, drawing, engineering, medical and student, nurse, teachers and office professionals.
Multi-Functional: Clipboard large with low-profile flat clip and retractable hole for space-saving and can be hung on the wall as a display board.
Characteristic: Three clip 11x17 clipboards are made of high quality and high toughness PP material. ― Lightweight, weighs about 0.9 pounds. ― Thicker, thickness increased to 3.5 mm. ― Tougher, with surface hardening treatment, and the middle layer is made of lightweight and tough technical materials. ― Never Breakable & Anti-wrestling & non-deformation & Waterproof.
Safe and Powerful: Heavy duty large clipboard adopts durable polished metal and rubberized clip corner low profile clip of sturdy long-lasting spring for a more secure grip; holds up to about 100 sheets of regular paper.