Best for light-sensitive liquids; protects against UV rays.

Durable, squeeze-friendly, and impact-resistant. PET Plastic: Lightweight, clear, and more rigid than HDPE. 2. Understand Cap Types Safety and ease of use are the main factors here.

Good for visibility; best for non-reactive, stable items.

Large; used for bulky vitamins or supplements. 2–4 Ounce: Standard for liquid cough syrups or tinctures. 4. Where to Buy Depending on your volume needs, you have three main routes:

Amazon or eBay are great for small-to-medium packs (10–50 count).

Can be used as a child-resistant or a simple screw-top. 3. Size and Capacity

The standard "push-and-turn" cap required for medications.

buy empty medicine bottles