Every good diaper needs an even better cover and in our opinion there is nothing better than WOOL!! 
In true Thunderbird fashion we are excited to make for you high quality Wool Covers at responsible prices. Made up of 2 layers of mid weight wool jersey and 1 layer heavy weight wool interlock in the wet zone these covers are both super stretchy and super duty soakers!
Available in Traditional Soaker Style, Side Snapping wrap and a variety of sizes you're sure to find what works best for you and your little one.