Please refer to our size chart and measure your pet's size and WEIGHT before payment, choose a little bigger size or take each measurement a bit loosely will be more comfortale for your pet. If any of the measurements are between two sizes, choose the larger size.

Size Guide (L*W*H):Size M: Bottom width--12.2;Side width--6.7;Height--14.1;Neck hole size--from 7.0to 18.8;Weight within 7.0 lbsSzie L: Bottom width--14.9;Side width--7.8;Height--16.5;Neck hole size--from 7.1to 21.0;Weight from 7.0 to 10.0 lbsSzie XL: Bottom width--16.1;Side width--9.44;Height--18.1;Neck hole size--from 7.2to 22.8;Weight from 10.0 to 15.5 lbsSpecifications: For travel or outdoor; Can be used in front or back.

Type: Double-shoulder Pet Backpack (Adjustable, Portable, Breathable) Color: Black, Green, Blue, Pink, OrangeMaterial: mesh fabric, sponge, PVC material. Size: M, L, XLFeature:

• Made of strong and sturdy canvas, the carrier is quite comfortable for both you and your little pet.
• Large compartment store toys and food for your dog. With air mesh panels on the carrier, the dog could breathe easily.
• Elastic design in the neckline, can adjust it for pets comfortable feelings.
• Inside hook design connects to pet's collar through slightly direct pressing against collar's loop to prevent pet get out.
• Design Waistband: To reduce shoulder pressure.
• High resilience provides the protection of buffer, light, washable, and non-toxic environmental protection.
• Suitable for Cat, Mini poodle, Mini Schnauzer, Mini Teddy, animals, Chihuahua, Yorkshire, Pomeranian, Minlature Pinscher and etc. About our services: 1.If you are satisfied with our products, please don't forget to leave 5 stars Positive Feedback.2.If you are not satisfied, before you leave the Negative/Neutral feedback, contact us and let me know that, we will resolve the problem till you satisfy.