1---The leash is made of latex elastic material, won't hurt your lovely bird. You can take your birds out easily. 2---Adjust the elastic band to make a better fit for your birds by buckle and removable rope. Back small wing design is so cute, the bright color attracts more people's attention, they will notice and not hurt your birds accidentally. 3---If you like training birds or attending parties, get one for your birds and do not worry about it will lose. 4---Rope length: 2 meters(6.5 fts), handle length: 10cm (4 inches), large enough to hold. 5---Size note: This product is available in 5 sizes, XS, S, M,L ,XL, and we are unable to provide a size chart for messages due to the small size of the birds. However, we can tell you which birds fit in each of the 5 sizes. XS: Tiger, Peony, Pacific S: Xuanfeng, Monk, Little Sun, Golden Sun, Sucking Honey, Pachyderm M: Daffy, Keck, Mini King Kong L: Pigeon, Chinese Aoi XL: Vajra, Ooi