Just okay - would not purchase again.
The 'wax' began to HARDEN after about a month and it (the product) is very difficult to put on my eyeglasses now.<br />It was not exposed to very high or low temps.  Just kept in my house in normal temps.  But the texture got as hard (or harder) as a the texture of a crayon after about a month.  Just about impossible to put on my glasses to keep them from slipping.
Rating: 1 stars