100 x 1 swabs with 2ml tube and special release cap, individually wrapped and ethylene oxide treated.SK 2S Is An Easy To Use Buccal Swab That Includes a Special 2ml Tube For Swab Head StorageThe Special 2ml Tube in The SK 2S Removes The Whole Swab Head Making It Easier To Manipulate At The DNA Isolation Stage100 x 1 Swab With 2ml Tube & Special Release Cap, Individually Wrapped & Ethylene Oxide Treated Ambient Storage No Expensive Storage or Transport Easy To Handle & Quick To Use Unique Cap Detaches Swab Head Easier To Manipulate At Isolation Stage