Welch’s Grape Jelly Flintstone glass Pebbles Babysitters. This is an orange colored glass with cartoon drawings of Pebbles in her crib, Bam Bam standing next to her and Dino the dinosaur holding a book in a reading position. On bottom is a raised molded head of Dino. Glass is about 4.25 inches tall, 2.5 inches diameter at top rim, and 2 inches diameter at bottom. In excellent condition showing virtually no wear or fading of any kind.