With its classic bestselling shape, phallic head, and perfectly textured shaft, this 7â   attachment will have you falling in love! Made with our health-grade Platinum Premium Silicone material, the Vac-U-Lock 7 Inch Thin Dong Attachment works with all Vac-U-Lock systems and is Proudly Made in America. Slim Shaft. Designed for Use with Any Vac-U-Lock Set or Accessory. Hypoallergenic. Phthalate-Free, Body-Safe Material. Easy-To-Clean (Top Rack Dishwasher Safe).