Polystyrene. Flared rim is flexible yet shatter resistant, for most cold beverages. Can be used with tight fitting flat or domed lids.
Polystyrene. Flared rim is flexible yet shatter resistant, for most cold beverages. Can be used with tight fitting flat or domed lids.
Polystyrene. Flared rim is flexible yet shatter resistant, for most cold beverages. Can be used with tight fitting flat or domed lids.