Clearview® Hoagie Sandwich Containers come with patented SmartLock® closures to indicate secure lock. Available in small and large sizes. Made in the USA with globally sourced materials. SmartLock® system features a tight, audible click closure that helps ensure maximum food freshness. Strong, rib-reinforced sides and back accommodate heavy items and provide enhanced crush resistance. Break-resistant hinge is flexible enough for easy closure and reliable enough for repeated openings and closings.