From the product description, check product page for current description, price and availability:

• 100% MADE in the USA with features no other aerator can match. Supporting American Manufacturing
• Made with superior materials that will resist chipping even if dropped, other aerators chip easily
• Patented Aeration Process allows for an elegant low profile pour spout because the aeration starts in the bottle
• The best pourer with the benefit of Instant Infusion Aeration, Drip-free, Leak-free pour from any angle, no more mess
• Unique friction attachment allows for easy cleaning, no small, hard to clean holes like other aerators