Ideal for beginners, Ass-Berries provide juicy fun for your bum! Discreet yet perfectly formed berries. Produced using IntraMed material Ass-Berries are hypo-allergenic for safe play. Power: Ammunition of Love. Battery: 1 x 1.5Volt N size / LRI. Lubricant: compatibility:? Can use Desire Silicone Lubricant, as it was produced specifically for silicone toys.? However, other silicone lubricants should not be used on silicone toys as they have an adverse affect.? Only water based lubricants should be used. Size: 95mm x 35mm x 35mm.