Berkley Gulp! Alive Saltwater Soft Bait Fishing Lures are made from a biodegradable material that absorbs the Gulp! Scent and releases it with over 400% more power than real baits. Gulp! Alive baits are packaged in a tub with the special Gulp! Scent so you can use a bait then place it back in the tub for a recharge. Gulp! Alive Saltwater Baits are available in many different styles and sizes suitable for all species of fish. Berkley Gulp! Alive Soft Baits will out fish real baits and will last longer catching multiple fish with a single bait. Gulp! Baits do not need refrigeration and can be kept in you tackle box for use when needed.