The strips are made from 100% lamb meat

cod liver oil

Beef Achilles Tendons

And then you can get a matching jacket for your dog

vegetable fibers

Paikka Recovery Softshell Jakke Accessory size:25 The strips are made fromPaikka Recovery Softshell The Paikka Recovery Softshell is the ideal transitional jacket, protecting against wind and light rain, while the FIR soft interior keeps the dog warm during walks. Reflective trim ensures good visibility in the dark. Features Softshell on the outside for protection against wind and light rain FIR fabric on the inside for warmth Reflective trim for increased visibility Zipper opening on the back for harness use Adjustable