Wavy Marbles Flow and Roll for a Playful Tumble!The TENGA Bobble contrasts gentle and dynamic sensations, thanks to the soft elastomer with Firmer Cubes and Marbles embedded inside. Take a tumblr with bouncing, bounding, and bumping sensations! Embedded in the clear, soft elastomer are colorful firmer Cubes and Marbles designed to provide stimulation you can directly control as you use the item. By adjusting the firmness of your grip while stroking, you can fully experience the constrasting stimulation from the soft material and elastic pieces, together in one item. The TENGA Bobble can be turned inside out for easy cleaning (Do not leave the gel inverted as this may cause damage). Use the Bottom Case for drying and the Top Case for hygienic storage. Size (D × W × H inches): 5.5 × 2.2 × 2.2 Starting Length: (inches): 6.5Starting Width: (inches): 1.8*Product stretches to accomodate almost any size. Other Specs: Reusable, Sample Lubricant Included Materials: Elastomer, PPLotion: HOLE LOTION [REAL] (Red) Ingredients: Water, Glycerin, Sodium Polyacrylate, Ethanol, Hydroxyethylcellulose, Phenoxyethanol, Methylparaben, EDTA-2Na, Polysorbate 80, Sorbitan Cocoate, Fragrance