Philips Avent Natural response Flow 4 Teat Bottle

eBay - total.liquidators

Bottle shape and curvature match exactly, Clear plastic material matches, White cap/collar matches, Wide-neck silicone nipple design matches, Overall form factor and dimensions are consistent with Philips Avent Natural series

Gentle Steps 3 Pack Silicone Nipples 6+ | Mercari

Mercari

Clear plastic material, White collar/cap, Clear silicone nipple