If you are allergic to silicone or are just looking for something that is ultra lightweight, this is the packing solution for you.  Made from lightweight foam, this product can either be used to replace a damaged or worn foam insert that came with your Jockmail packing underwear purchase, or it can be used as a stand-alone product for packing. The foam insert work with packing underwear with a dedicated pouch, ball separation, or with a product like the Magnetic Packing Pouch. Packing underwear not included. Care Instructions The foam insert should be hand washed in mild soapy water and air dried for longevity.