Jim Buoy thermometer, can be used for all size of in door and out door swimming pool, it can be floating. Jim Buoy thermometer,can be used for all size of in door and out door swimming pool,it can be floating and it's easy reading.This design is very pupular for world market.You can choose the package way for it,plastic bag,blister card,clamshell,all youlike. Jim Buoy thermometer