Stainless steel and Polyester Imported Outer diameter approximately to 12" net ring for collection, 24" net depth, 2mm net hole for avoiding butterflies and insects flying out. Upgraded Telescopic handle is lockable, righty tighty lefty loosey, stay extended and won t twists while being used. Handle extends from 15" to 59", perfect for kids, adults and beginning collectors. Nets for insect specimen capture, fit to capture different butterfly, dragonfly, bat, fish, bird, bee and other bugs. Professional bug catching net is much more durable than others. Easy to carry, easy storage.