what is it made out of?

strong thick pliable plastic coiled

Does it stretch out after you start using it?

It maintains its elasticity, because I have walk off from a pallet and it gets caught and I have stretched it 5 feet and it goes right back. The only problem i have had and it's easily fixable is that the string that attaches to (say a box cutter) will break but you can tie it back with more string or twine. Hope thus helps. It's worth the money.

Do you have blade sharpeners

There are no blade sharpeners that I am aware of. If both sides of the blade gets dull you will have to put in a new blade, which they do sell by the box on here.

Manufacturer	PHC ltd
Part number	CL36
Item Weight	4.54 g
Product Dimensions	0.64 x 0.64 x 25.4 cm; 4.54 g
Item model number	SPG - A42001-9
Size	48 inches
Colour	Multicolour
Style	Lanyard
Pattern	Solid
Item Package Quantity	1
Number of Pieces	1
Batteries Required?	No

CL36 Clip-on Coil Lanyard

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