Simply snap onto vent for use a as phone holder. Attach adhesive-backed round plate to back of phone for a magnetic connection, Have a phone case? Insert the circular plate between your phone and case for a magnetic connection. Can also be used as a phone stand. Complies with Prop 65. 1.625" H x 1.75" Diameter. Price includes a 1 Colour Imprint. Imprint area is 1.0" W x 0.0" H on Front of Vent Clip. Call for multi-colour or multi-location imprints or for rush delivery availability.