Per ball band:
Sears Best

Pill and Stain Resistant - Tested and approved by Sears Laboratory. This yarn did not pill through 100 washings and dryings; did not stain even when spotted with butter, catsup, mustard, mineral oil and chocolate, and then washed as recommended.

Machine Washable at warm temperature in mild suds. Tumble dry at low temperature. Always machine dry after machine washing.

or Hand Wash in warm water using mild suds and rinse at same temperature. Squeeze out excess water. Roll in bath towel. Spread to dry on smooth flat surface, bunching to original shape. Keep away from direct heat or sun. Never hang to dry or stretch garment. Do not dry clean.

No metric measurement for weight or gauge is given.

1968 advertisement for Sears Renee yarns.