Safe twine or sisal for rabbits?

[peanutdabunny]

Can you guys link me to some safe twine and sisal for rabbits? I want to use some for some DIYS

 

[ArtistChibi]

Amazon.com: Wellington Cordage 11345 1/4-Inch X 100-Feet Natural Fiber Twisted Sisal Strand Rope / Twine: Home Improvement
sisal rope - Walmart.com
Search Results for sisal rope at The Home Depot
Sisal rope at Lowes.com: Search Results