Light weight : Easy portability. The large weight is 143g and the small weight is 115g. Suitable size: The hooks allow you to install swings in outdoor areas such as ceilings, walls, or thick branches. Let you get close to nature and enjoy watching birds. Good design: High quality, stainless steel, sturdy steel frame, large size is 21X23.5 cm/8.27*9.25in, small size is 16X14.5 cm/6.3*5.71in. Provide a comfortable habitat for birds of different sizes. Entertainment: Watch wild birds from the comfort of your home with an exquisite hummingbird swing. Place it near your bird feeders to get maximum utilization. A perfect accessory to your backyard bird feeding station. Great for framing wild birds for photography. A suitable gift: It is a good choice for parents, nature lovers and children's gifts. Cultivate your child's love and add fun to your parents' old age life.