Our retractable tape measures are made of ABS plastic, which is compression resistant and durable. On the outside there is a portable plastic box with a keychain and a length of 78.7 inches, perfectly suited to your material measurement requirements. The use of high elasticity ruler spring, ruler belt pulled out, let go of the hand will shrink. The tape measure is portable, easy to use, easy to carry and easy to measure. Add your logo or message custom. There is express service. 1 location includes the shipping cost to US. Orders of 5,000 pieces or greater are eligible for sea shipping. 100% guarantee for quality. Rush Service.