EASY TO SQUEEZE - The small squirt bottle is made of durable plastic with a thin and flexible inside wall, making it easy to squeeze. It has a open/close nozzle, which can effectively control the flow. will not gush out in large quantities. LEAK-PROOF DESIGN - Each 6 oz twist top applicator bottle is equipped with a leak-proof foam pad to give it a good seal. When the clear lid is fully closed, it will not leak even when reversed. You can carry it in your handbag, pocket or backpack. EASY TO CONTROL FLOW - You can adjust the tightness of the lid as needed. The water output can be easily adjusted by turning the twist lid. The looser the lid is screwed on, the greater the water output. MULTIPURPOSE - They are widely used to mix pigments for use in painting. Can be used as dropper for anything. ABOUT RETURNS - If you're hesitant to place an order because of concerns about returns, there is no need at all. Our refund policy is clear and unambiguous. For any reason, if plastic squeeze dispensing bottles with twist cap is not as good as you expected, you can get a refund within 30 days.