Features: brand new and high quality Training Props: Teaching birds to ride the bike, can train the birds' brain, develop their intelligence, help them learn new skills, exercise their muscles, and keep healthy. Safe for Birds: Made of high-quality metal, plastic and wood materials, all are safe, non-toxic, tasteless. Bicycle body is made of virtually indestructible stainless steel, sturdy and durable. Proper Size: We offer 2 sizes, S and L. Small size is suitable for small parrots, such as Nyasa Lovebird, Finch. Large size fits for some medium parrots, such as Parakeet, Conures, Eclectus, Cockatoo, African for Grey, etc.. Multi-purpose Toy: It not only train intelligence of the birds, but also provide essential physical activity and reduce aggression & loneliness for them. Size: S measures about 15.5 x 12.5 for cm/6.1" x 4.9"; L measures about 20 x 17 for cm/7.9" x 6.7". Warm prompt: the product your received, may have a slight paint drop, it is normal, please understand. Specifications: Material: Metal, Plastic, Wood Color: Yellow Size: S-Approx.15.5 x 12.5cm/6.10 x 4.92in L-Approx.20x17cm/7.87 x 6.69in Weight: S-Approx.83g L-Approx.130g Package Includes: 1 Piece Parrot Training Bicycle Toy (S/L) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!