Bettomshin 5Pcs 1.69 oz Droppers Bottles, 30ml Empty Plastic Squeezable Eye Liquid Dropper Bottles with Childproof Cap, Small Plastic Refillable Containers for Solvents, Essence, Eye drops, Saline

Bottle Capacity: 50ml/1.69oz; Mouth Inner Diameter: 9.5mm/0.37in; Bottle Height: 38mm/1.5in; Material: Plastic; Color: White translucent; Type: Fine mouth (seal, no scale, no inner cover).

The bottle is made of plastic so it has strong corrosion resistance, low cost, light weight and good insulation; It's also durable and waterproof.