Are made of 100% borosilicate glass and are guaranteed to withstand temperatures of up to 350°C Stainless Steel 204 Cap with Black color coated Inside Polypropelyne for thread with Silicon...
Are made of 100% borosilicate glass and are guaranteed to withstand temperatures of up to 350°C Stainless Steel 204 Cap with Black color coated Inside Polypropelyne for thread with Silicon...