This is what I used, you have to be careful with glue selection, not all glues hold well to some plastics over time.:
https://www.amazon.com/gp/product/B003NUGL9S/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
The glue is "Cream" colored, off white. If you want to go hog wild on this you can dye...