Specification :

specification;4x2.5, 6x4, 8x5, 10 x 6.5, 12 x 8, 16x12, and so on , also can according to your request
Colour: red, blue, yellow, transparent
spring tube are 12*8 10*6.5 8*5 6*4 with the length is 3m, 6m, 9m, 12m, 15m.