ADVANTUS-Cropper Hopper Projections Expandable Sticker Stadium. Lose the mess and keep the memories with Cropper Hopper Projections! This sticker stadium features eight tabbed dividers and it expands to 8 inches deep and can hold thousands of stickers in a variety of shapes and sizes. Plus it has a durable canvas exterior with a fashionable black and white print! This package contains one Sticker Stadium that measures approximately 11-1/4x13-1/4x8 inches expanded.