The Touchdog ® 'Wiggle-Sack' Fashion Designer Front and Backpack Pet Carrier is the perfect solution for those that want to stay closer to their pets while bonding or walking in high traffic areas and for those that want a hands-free experience when walking or multi-tasking. Features 4 inner stitched sleeves for placement of legs that comfortably hang while providing security and safety. Additionally, the Wiggle-Sack carrier features dual-sided zippers for convenient pet placement with a Velcro accordion-stitched rim for further added security. The durable adjustable nylon straps enable this carrier to be worn as a backpack or frontpack. Composed of an Ultra-Soft brushed cotton exterior shell that's reversed with Soft Air-Pocketed breathable mesh along the back for added comfort when wearing. Available in Multiple Sizes and Colors. SIZING DIMENSIONS: (INCHES) L x W x H SMALL: 12.8 X 7.5 X 6 MEDIUM: 14.2 X 8.5 X 7.5