Overlocked seams to help against tares. Parts are securely and double sewn on with heavy duty, quality thread. They will withstand firm tugging, but not vicious abuse. Each one is stuffed firmly, but not too firmly... Crafted to last, so you can enjoy your monkey for many years to come. Totally hand crafted from brand new socks, sewing machine and hand sewn elements. Stuffed with 100% polyester filling.