 Despite some opposition , the condom market grew rapidly . In the 18th century , condoms were available in a variety of qualities and sizes , made from either linen treated with chemicals , or " skin " ( <unk> or intestine softened by treatment with sulfur and <unk> ) . They were sold at <unk> , <unk> , chemist shops , open @-@ air markets , and at the theater throughout Europe and Russia . They later spread to America , although in every place there were generally used only by the middle and upper classes , due to both expense and lack of sex education . 
