Description
Straws are made of borosilicate, on a Mohs hardness scale, where the diamond has a hardness value of 10, and the chalk hardness value of 1 is borosilicate glass rated 7.5 points. Ordinary glass 5.5-6.
Can be washed in a dishwasher and / or cleaned with a brush that is included.
Do not bite the straws. Under the age of twelve only under the supervision of an adult.
Design of yoni logo painted was done by painter Anna Doležalová.
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