Geocache Swag, Glass Stones with Fun Images to Leave in the Cache.Set of Six, by Lifeforce Glass. Set II Fun for the whole family! Swag is what you leave in the caches. Always leave something better than what you take. These beautiful translucent and opaque glass stones are about 1.25" in diameter. Colors will vary. They will probably not be exactly as pictured, but they will always be beautiful.