Thank you for viewing! ^_^ New material for making foldable hats! Shape-retaining material: Technorot Material: Polyethylene Technorot and heat shrink tubing are sold as a set, cut to order. Technorot: Diameter 0.7mm, 2.5m Heat shrink tubing: Inner diameter of hole 2mm, 5cm If there are sizes not listed, please let me know. Also, the length can be changed, so feel free to consult with me. Technorot 7.5m, Heat shrink tubing 15cm, 520 yen Technorot 5.0m, Heat shrink tubing 10cm, 450 yen Technorot 2.5m, Heat shrink tubing 5cm, 300 yen Technorot 2.0m, Heat shrink tubing 6cm, 300 yen Technorot 2.5m, Heat shrink tubing 6cm, 315 yen *A copy of the included instruction manual on how to use the heat shrink tubing will be enclosed. This is a new, unopened item purchased from a store and cut to order. Although it is a new, unused item, it will be repackaged, so the Technorot may bend. (I try to roll it up neatly.) The product will be packaged and sent as shown in photo ③. It will be shipped via postal letter (mini-letter), so please be careful when opening it. About packaging: The paper with instructions on how to use the heat shrink tubing (copy) will be folded in eight, and the Technorot and heat shrink tubing will be placed between the sheets. The product will not be visible from the surface of the OPP bag. Please open the OPP bag and check the product. I will strive to make our transaction a pleasant one. Thank you.