Vintage Castrol SLX 0W-30 Promo Hat Castrol engine oil SLX 0W-30 promo cap. Although there are some original wrinkles and shape quirks, it's a perfect deadstock item. Recommended for those who like the curation of vintage items at A24 shops, Intramural Shop, Leisure Centre, Fantasy Explosion, and other NY vintage stores, as well as the world of Aimé Leon Dore's Leon Dore Installment. Will be shipped in a 60-size box. Although it is new and unused, due to the nature of vintage and deadstock items, there may be unseen scratches, stains, or wrinkles and shape quirks due to aging. If you are looking for a completely new item like a current product, please refrain from purchasing.