I have presented my knitted or crocheted bangles from plastic bottles previously.
They are great and can be adapted in size.
But if you don’t want to cover them with knitting or crochet, try these plastic bottle bracelets :)
Plastic Bottle Bracelets (DIY crafts: BRACELETS recycling plastic bottles – Innova Crafts) (video)
Here at unikatissima:
I’ve really taken a shine to this simple bracelet from a piece of a plastic bottle and a matching button. With the plain hole pattern at the edge I find it really nice.
Plastic Bottle and Button Bracelet (Liru Recicla>Accesorios moda>Photo 29 of 523)
We always have lots of plastic caps from the Tetrapacks and I never quite knew what to do with them.
Now I know it: necklaces ;-)
Necklace made from plastic bottles