Goober is a combination of peanut butter and jelly in a single jar. It is sold in US, the UK, Canada, Singapore, and other parts of The Commonwealth and is named after a Gullah name for the peanut, which comes from the Gullah word for peanut, guber. Goober was introduced by The J.M. Smucker Company under the Smucker's brand.
Goober (brand) Wikipedia
It consists of alternating vertical stripes of peanut butter and either grape or strawberry flavored jelly, or chocolate.
A similar product is sold by Kroger under their name, their Ralphs brand name and as Yipes! Stripes! under Kroger's Disney Magic Selections label.