Japan are leaders in sustainable innovation and subsequently were included in Oletta showing at Texworld including :
Organic Cotton Lace Trim - Have a look at the fine cotton mesh insert tape (almost impossible to make)
Cupro Bias Tape - Can also be made into a piping
Sustainable Leather Material - Hard to find and can also be made into bias tapes, pipings.....
Linen (blend) and Hemp tapes - Classics
Button - Made of 100% Cotton Button