EASY INSTALL AND CARRY: 2 safety carabiner included, no tools needed. Easy to secure the swing or hammock on a tree branch in a few minutes. Ideal for camping, hiking and picnicking. FITS ALL SWING AND HAMMOCK TYPES: Extra large strap, perfect for classic tree swings, garden tire seat, toddler swings, porch and patio playgrounds, saucer swings and hammocks.