NaturVet – Digestive Enzymes for Dogs Plus Probiotics & Prebiotics Helps Support Diet Change & A Healthy Digestive Tract for Dogs & Cats 8 oz Powder pets_BestSellers_Nov2022 the smooth leather metarial is June_2023_update the smooth leather metarial is also easier to clean 1 pair of grey and pink for a replacement exchange use Universial Size The comfortable 90% Cotton and 10% Spandex exterior material stretches to fit most women's feet sizes Improves is visiable Follow below tips For a better results: Boost the skin softening effect by applying your favorite foot cream before slipping on the heel socks Wear them at least 3 nights a week for best results EASY TO ADMINISTER Powder for Dogs and Cats over the age of 6 weeks A source of: Alpha Amylase hydrolyzes starch