For World Recylce Week, H&M is accepting unwanted garments or home textiles in any brand/condition. You will then get a 15% off voucher to spend in store (2 per bag with a limit of 4 per person per day).
Applicable in any H&M store and there are additional collection points in Sydney, Melbourne, Brisbane and Perth during the week. Some further details are on Facebook:
https://www.facebook.com/australiahm/app/1538724459749749/
Just a note that the 15% off voucher is applicable to 1 item in your transaction (But it'll always be the most expensive item) :)