The Formula 420 & 710 Soak / Shake Bags is a reusable cleaner bag designed to provide a convenient and effective cleaning solution. These bags are perfect for soaking or shaking your smoking accessories to remove residue and odors. They are also great for storing your accessories when not in use. The Formula 420 & 710 Soak / Shake Bags are compatible with Formula 420 accessories. Keep your smoking accessories clean and fresh with these high-quality cleaner bags.