Knot-A-Rope, Living World?s line of multi-coloured cotton perches offers a wide and interesting array of safe, durable and flexible perches. Made of good quality rope, the cotton perches are banana scented, a wonderful fragrance that birds will love. Size : 20 mm dia x 65 cm L (0.7 in dia x 26 in L) Other sizes available : 81361 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 16 mm dia x 38 cm L (0.6 in dia x 15 in L) 81362 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 16 mm dia x 53 cm L (0.6 in dia x 21 in L) 81363 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 16 mm dia x 65 cm L (0.6 in dia x 26 in L) 81371 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 20 mm dia x 38 cm L (0.7 in dia x 15 in L) 81372 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 20 mm dia x 53 cm L (0.7 in dia x 21 in L) 81380 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 30 mm dia x 53 cm L (1 in dia x 21 in L) 81381 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 30 mm dia x 70 cm L (1 in dia x 28 in L) 81382 Living World Knot-A-Rope Multi-Coloured Cotton Perch, 30 mm dia x 90 cm L (1 in dia x 36 in L),