🧪【Avoid Light】：The bottle are all made of black material to effectively prevent sunlight penetration and protect sensitive materials. | 🧪【Compatibility】: Water sample bottle are suitable for all photographic chemicals including developer, stopper and fixer. | 🧪【Widemouthed】：Wide mouth lab reagent bottle mouth 32.5mm/1.28in，Easy to clean, fill, round shoulder design, can better pour product out of the bottle. | 🧪【Leak Proof】:The aluminum foil gasket design makes the sample bottle tightly sealed, and the smooth and smooth bottle mouth fits well with the bottle cap to prevent liquid from spilling along the screw cap. | 🧪【Material】: Leak proof containers is HDPE plastic. anti corrosion and acid resistant keep the chemical liquid fresh and stable.

【Avoid Light】：The bottle are all made of black material to effectively prevent sunlight penetration and protect sensitive materials. | 【Compatibility】: Water sample bottle are suitable for all photographic chemicals including developer, stopper and fixer. | 【Widemouthed】：Wide mouth lab reagent bottle mouth 32.5mm/1.28in，Easy to clean, fill, round shoulder design, can better pour product out of the bottle. | 【Leak Proof】:The aluminum foil gasket design makes the sample bottle tightly sealed, and the smooth and smooth bottle mouth fits well with the bottle cap to prevent liquid from spilling along the screw cap. | 【Material】: Leak proof containers is HDPE plastic. anti corrosion and acid resistant keep the chemical liquid fresh and stable.