Manufactured from special formulated polypropylene with thick walls and crush-resistant corners. Featured with high transperancy and best chemical heat tolerance. These impact resistant, excellently thermal stable bottles are autoclavable at 121°C. Caps should not be closed during autoclaving. Angled neck form allows unrestricted liquid flow out without leaving any residue at the bottle neck. A large GL 45 bottle neck provides easy filling and pouring. Unique design of the neck with moulded pouring ring prevents drops and spillage. Cap with large ridges with increased grip featured with self lock and internal security ring. Cap inner design ensures hermetical and leak-proof closure. Embossed volume graduations on wall side offers better liquid level viewing and reproducable filling of the bottle without the need of a measuring cylinder. Clear bottles are manufactured from very clear polypropylene resulting with high transperancy and for better view of the bottle content.