Material: these nail remover pumps are made of high quality PP material, non-toxic, odorless, lightweight, durable, compact, suitable for travel and vacation, the transparent bottle allows you to easily identify the liquid inside. Easy to use: just place a cotton pad or cleaning cotton wool on top of the bottle and press the middle of the lip, then the liquid will rise to the surface of the cotton pad and be absorbed. The liquid comes directly into contact with the cotton pad to prevent leakage and save cosmetics. Package includes: 4 transparent 150 ml push-down pump bottles with white, pink, black, blue cap, so you can distinguish the use, bottom diameter is approx. 5.6 cm, bottle height is approx. 10.5 cm, lightweight and easy to carry, ideal for travel, business trip and vacation. Widely applicable: nail pump dispenser is suitable for nail polish remover, toner, make-up remover, current alcohol and oil with low density. It can match with cotton swabs, cotton pads, etc. Note: This bottle is not suitable for filling strong acid and alkalis or high concentration of alcohol material. Not suitable for 100% acetone. Hot water disinfection can be used before use, water temperature should not exceed 60 degrees.