Costco is alerting its customers to double-check their recent purchases as the retail giant announces a series of product recalls, some of which pose serious safety risks.

Costco accepts most returns without time limits, though there are some exceptions. Electronics have a 90-day return window. Cigarettes and alcohol may not be returned where it’s against the law. Airline and live performance event items, ticket items, precious metals, Shop Cards and gift cards are not returnable.

Several popular products sold by Costco have been recalled, including air conditioners, power banks, tires, coolers, and more. Find out if you have any recalled items and what to do.