If your products are focused on natural ingredients, and you prefer the containers to be transparent for people could easily seeing through. We select some packaging items that you may be interested in. There are various bottles, made of PETG or HDPE, capacity ranges from 20ml-500ml.
In the photo, the smallest square one is 30ml, the largest in dark green is 380ml. The blue bottle is made of HDPE while the other three is PETG. You can see the appearance of PETG is more shining. HDPE, on the other hand, is better at resisting breakage.