The Original with the squirrel. The PET Kids boots by thies ® are made of soft felt that is made from recycled post-consumer PET bottles. The slippers are unisex, ultralight, the outsole made of recyclable, real rubber and without annoying seams, the shoe is ideal for all seasons and even barefoot! With functional velcro for fast and easy slipping in and out and to adjust the width. The slippers are so comfortable and non-marking that they are perfect for indoor use, at school, kindergarten, sports clubs etc. GRS ® certified and Peta ® approved vegan. Fair produced in Spain. The packaging is made entirely from recycled paper. The insole is soft and also made from recycled material. Outer material: felt made from recycled PET bottles [GRS ® certified] Inner lining and sole: felt from recycled PET bottles [GRS ® certified] Outsole: recyclable, real rubber Fit: normal