20 Pcs 12x35mm Clear Mini Vial Glass Bottles Glass Jar with Environmental Quality Corks/capsule and Eyescrews--vol 2.0ml Size: Approx12.0x35.0mm (check the pictures), the size of the inner opening is 6.0mm Color: Clear Weight: Approx 2.5g Packincludes 20pcs of glass bottles, 20 environmental quality corks/capsule and 20 eyescrews Vol:2.0ml