Velcro strip sold by the foot, self adhesive.
Ideal to secure your APM, GPS, Radio, Telemetry to the frame.
Also add it to the LiPo and Frame to secure it in place (in addition to the regular LiPo Strap) this will prevent the LiPo to slide and change the Centre of Gravity.
Indicate how many foot you want.
1 = 1 feet.