4 pack bottles are great for kitchens and bathrooms; hold 8.5 oz (250ml) for each one.
Money saver! Using less your most favorite castile soap to make more foaming hand soap. Reusable and refillable.
Optimal recipe - product: water = 1:8, which can be adjusted according to the actual feel and different product.
Made of clear pet plastics (BPA free), safe and non-toxic.
Applications: hand soap, shampoo, disinfectant, bio-medicine, cosmetics packaging, etc. Or make your own liquid foam soap adding with your favorite essential oil.