[MATERIAL] - All bird safe materials, non-toxic and harmless. Aolvo swing hammock also can be used as bird nest, your lovebird will love it. [SUITABLE FOR] - A novelty toy for birds, very resistant to chew. Great for small to medium sized birds to climb and jingle jangle. [PRACTICAL TOY] - Encouraging pet exercises by developing balance and coordination, to meet the need of chewing and biting, standing. [BIRDS PARADISE] - An ideal place designed for your little friends to play and climb, easy install in the cage. [SATISFACTION GUARANTEED] - If you are not completely satisfied with our Bird Hammock just contact us, we will try our best to give you a satisfactory solution!