A pair of replacement straps for the Perdix and Petrel dive computers. Marine grade elastic material with simple pinch clip buckles ensure a comfortable, adjustable fit whether you are diving in wetsuit or drysuit.A pair of replacement straps for the Perdix and Petrel  drysuit.dive computers. Marine grade elastic material with simple pinch clip buckles ensure a comfortable, adjustable fit whether you are diving in wetsuit orA pair of replacement straps for the Perdix and Petrel dive computers. Marine grade elastic material with simple pinch clip buckles ensure a comfortable, adjustable fit whether you are diving in wetsuit or drysuit.