What is the best consumer staples ETF?

Could you please elaborate on the factors that contribute to determining the best consumer staples ETF? Is it purely based on performance metrics such as returns and dividend yields, or do other considerations like fund management fees, portfolio diversification, and sector exposure play a role as well? What specific ETFs in the consumer staples sector would you recommend for investors looking for stability and consistent returns, and why do you consider them to be the best options?