Original Tru-Blu Jeans ~The inspiration behind this jean is that it was the first dog pant ever created! Perfect style, fit, and function, makes this the best jean ever, 'nuff said. 100% Cotton denim. Wrap style waistband allows for adjustment for a full coat or puppy cut.. Size XXS XS S M L XL Weight 1.5-3.5 Lbs. 4-7 Lbs. 8-12 Lbs 13-20 Lbs. 20-30 Lbs. 30-50 Lbs.