Narrow Elastic-- around 1/4"
1/4" braided elastic or just over 1/4" (7mm) soft elastic. Sold by the yard or in preset quantities.
The soft elastic is doesn't have a lot of memory but is much softer than the braided option. Best for applications where it won't be over-stretched. Works well for around the ear masks since it is soft.
If you want a stiffer elastic with more memory choose the braided version in 1/4". The braided elastic is available in black or white
The safety elastic is similar to braided but has more memory. It is 5mm (0.19"). Available in black only