Umbra Wobble Bottle Opener, Avocado Wobble bottle opener from Umbra Constructed of virtually indestructible plastic with a weighted metal base Wobble stands up on the table and gently sways side to side on its rounded base 1-1/2 Inch by 1-1/2 Inch by 3-1/2 Inch Designed by Alan Wisniewski and Adin Mamma