First sippy lid ever in bamboo by Cink! Finally a sippy cup in bamboo! Buy the pipe lid separate in one-pack and you can mix and match it as you like with the 3-pack cink bamboo mug. Choose your lid color and combine with mugs in same color or with our mixed color pack. ​ You can use the mugs for the whole family and you don't have to throw away the mug as the baby outgrows the sippy lid.