Size:diameter:4.5cm/1.77 inch.Suitable for repairing inner tube of common bicycle mountain bike folding bikes. Dedicated to fix cold tires and bicycles, motorcycles, car inner tire trap.A must-have accessory for a cyclist on short or long journeys.This kind of rubber tire pieces are good equipment for repairing bicycle tires. Light weight, so they are easy to carry and prepare for emergency need on the road. High-quality material with exquisite workmanship, makes it durable to use.1 package includes 48 pieces.