Comprehensive and Consistent Quality of Product Features LGA tested Quality Is the children’s toy you make and sell free of harmful substances? Is it environmentally sound? Does your cookware fulfill the highest standards of functionality and heat distribution? Make it easier for your customers to make proper decisions – by having the quality of your product documented with a recognized certification mark. The "LGA Tested Quality" mark distinguishes first-class products - products that really fulfill their actual purpose. We can test operating manuals, performance characteristics, and safety.