1 [Accurate measurement] button contraction and needle lock to obtain the most accurate and comfortable readings. The needle lock is fixed in place and you can retract the tape to get the best measurement. The button shrink and lock function ensures proper measurement and excellent accuracy. 2 [Durable material] The self-tightening tape measure is made of soft and flexible high-quality materials. The tape measure can be stretched or deformed to avoid injury or cuts. The soft tape measure is flexible and portable, and it is easy to use, providing good measurement and service life. 3 [Easy to use] ergonomic and portable design to help you easily measure. And it s easy to store anywhere: dressing table, desktop, drawer, gym, etc. 4 [Clear and easy to read] Our self-tightening tape measures are clearly marked in inches and centimeters. It is very suitable for tailoring, sewing, hand-making, body measurement, etc.