Slim Jim Duo 17.5" Reflective Gel Double Dong. Slim Jim Duo Veined Super Slim Dong Purple Reflective Gel Series Dongs are soft, pliable, and highly detailed! Superior quality all-purpose dongs in a variety of shapes and sizes. Hand finished and detailed lavender dong with a thick-veined texture. High quality, phthalate free, non-toxic materials PVC. Double dong measures 17.5 inches long by 1.5 inches wide. Bulk weight 16.2 ounces. Non-vibrating probe can be used for anal, g-spot, vaginal or prostate stimulation.