Make your stretchings harder to spot with these solid silicone hider flesh plugs . These clever flesh plugs really hide your stretchings - ideal for work, school or formal events. These silicone flesh plugs make any stretching look more discrete. They work best on dark skin tones, especially if you have dark hair. Silicone is extremely biocompatible and has a soft, squidgy feel, so these plugs are very comfy. Silicone flesh plugs are metal-free and safe for hospital visits, X-rays and MRI scans.