All three Solarez fly-tie UV resins in 1/2 oz. bottles with applicator tops, plus a high output UV light. Contains one bottle each of Thin Hard Formula - Super-hard scratch resistant finish; ideal for thin coats on fishing fly heads; easy to coat or saturate; Thick Hard Formula - Hard, very viscous for making thick coatings or spheres - bodies, heads, eyes; builds fly fishing heads and bodies; Flex Formula - Flexible finish for swimmers, flex parts - could be used as a wader repair or coating knots for strength. The UV Light requires 2 CR123 lithium batteries, not included.