Looks like a website called “Eat Teeth Sleep” sells them in Australia 🙂
https://www.eatteethsleep.com.au/products/comotomo-baby-bottle-250ml-2-pack-soft-hygienic-silicone-feeding-bottle?variant=1009425215&currency=AUD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&utm_term=&utm_campaign=gs-2021-02-22&utm_source=google&utm_medium=smart_campaign&hsa_acc=6959350385&hsa_cam=12399166242&hsa_grp=116897853246&hsa_ad=500219436923&hsa_src=u&hsa_tgt=pla-293946777986&hsa_kw=&hsa_mt=&hsa_net=adwords&hsa_ver=3&gclid=Cj0KCQjw2NyFBhDoARIsAMtHtZ6V3sWzuX4K8LVQEiPtYOSKf7WAnoAZPnpNZMPUzckxFuipkhqTAjcaAmGQEALw_wcB

From what I can see, they are only available online, but there a number of places that sell them. Good luck.

You should e able to buy them online
https://www.eatteethsleep.com.au/products/comotomo-baby-bottle-250ml-2-pack-soft-hygienic-silicone-feeding-bottle?variant=1009425215&currency=AUD&utm_medium=product_sync&utm_source=google&utm_content=sag_organic&utm_campaign=sag_organic&utm_term=&utm_campaign=gs-2021-02-22&utm_source=google&utm_medium=smart_campaign&hsa_acc=6959350385&hsa_cam=12399166242&hsa_grp=116897853246&hsa_ad=500219436923&hsa_src=u&hsa_tgt=pla-293946777986&hsa_kw=&hsa_mt=&hsa_net=adwords&hsa_ver=3&gclid=CjwKCAjwtdeFBhBAEiwAKOIy58vu34A-JmVDoEvz78b_gFxTPAXMsKPrDYClbZbDn96HWRnhznqe1xoCGv0QAvD_BwE

Is there a number you can call for stockists?

I’ve sent them 3 emails since the 14th of May but havnt received a reply.

Good suggestions below to contact the moms team for help.

Maybe email the MOM team direct to draw attention to your question – they might know.

Was that as a review or article? Maybe contact mom and ask them where you can buy it.