Material: Made of high quality canvas and breathable mesh, fully machine washable, durable and comfortable. Two mesh side panels maximize airflow. It's ideal for walking, cycling or even in the car. You can take your dog wherever you want Adjustable size makes you feel more comfortable, stylish and casual. Buttons can be attached to the collar to prevent pets from jumping out of the bag For Yorkshire Terriers, Pomeranians, Miniature Poodles, Miniature Schnauzers, Teddy Cups and other small dogs. When pets play, the legs and tails are designed to ensure safety and comfort when carrying pets. Product size: S=28*18*1.1CM Reference chest circumference: less than 30cm, suitable weight: less than 2.5kg M=32*20*1.1CM bust reference: 24-43cm, suitable weight: less than 3.5kg L=38*23*1.1CM reference bust: 36-50cm, suitable weight: less than 6.5kg XL=41*24*1.1CM Reference chest circumference: 43-63cm, suitable weight: 6.5-9.5kg