Tenna Tops Happy Green Smiley Face Car Antenna Topper/Antenna Ball/Rear View Mirror Dangler/Auto Accessory OFFICIAL TENNA TOPS BRAND - American Brand Antenna Topper. Trademark and Copyright Protected. COMBINE and SAVE - One flat rate combined shipping for all Tenna Tops, Coolballs and Happyballs brand antenna toppers! Find Your Car, Truck or SUV In A Parking Lot REALLY Fast. MIRROR HANGER - Bonus: Mirror Dangler Accessory Included. Simple Press Into Topper & Hang From Any Car or Truck Mirror! HIGHEST QUALITY - Made of soft, durable waterproof foam. Hole size 4.5 mm diameter for standard antenna. Overall size 1.75 inches. BUY THE BEST - Avoid fake knockoffs, Shop direct from our Official Amazon seller name: Tenna Tops / Coolballs / Happyballs