Glas Double Trouble Glass Dildo. Being able to share toys with your sex partner can be an extremely fulfilling experience. This artistically crafted, ribbed, double-headed dildo enables deep, pleasurable penetration and stimulation for everyone involved. Features: Fracture-resistant. Hypoallergenic. Easy to clean. Retains heat and cold for increased stimulation. Compatible with all lubricants. Dimensions: 9.5â   x 1.5â