20 oz. Skinny GLOW IN THE DARK Tumbler - they will need to be charged in direct sunlight before they will glow.
Each tumbler comes with a stainless steel straw, spill proof lid, and a black rubber bottom.
Tumblers are made double walled, non-toxic stainless steel, black rubber bottom, and vacuum sealed to keep drinks hot or cold for up to 4 hours.
Care Instructions:-Wash the cup before use.-Hand-wash with warm water and mild dish soap.-NOT microwave safe.-Do not soak.-Dropping may cause chipping.