TK Series This is a wide-mouth straight bottle series, turn left to open. The bottle is made of HDPE, with a matte appearance. Suitable for powder products such as whey protein, enzymes, and large capsules. If the content itself is prone to moisture, it is recommended to use high-frequency aluminum foil seal to ensure airtightness. The powder is more convenient to scoop out with a spoon. Specification TK-250 TK-500 TK-1000 TK-1500 TK-2000 TK-2500 TK-Aluminum Foil Seal CONTACT US Do you have any product questions?Welcome to inquire with us anytime,we will get in touch with you shortly. ASK NOW