1. Specification: Volume: 40ML/ 1.5OZ Tube Thickness: 2.5mm, Outer Diameter: 5.0mm. 2. Feature: environmental, Stocked. 3. Origin: Guangdong Province, China. 4. OEM acceptable. 5. Any printing is available. 6. Product detailed description:  (1) borosilicate glass, standard neck, straight shape;  (2) 100% borosilicate glass raw material, non-toxic medical class;  (3) high transparency and very easy to clean, never strange smell after use;  (4) good heat resistance - more convenient for daily life of our baby;  (5) much lighter than common glass