BI-38-4, Besi Zipper 4" Insert for Large Besi Vest

• BI-38-4
• Besi 4" Zipper Insert for Large Besi BR-38AI Vest
• Color:  Black 
• Made in the USA
• 1 year workmanship warranty 

WARNING
Best must only be used on school bus seats. Entire seat directly behind must be unoccupied or have secured occupants. Recommended replacement after 5 years in service.

2" Insert for Large Besi Vest: BI-38-2

Can I use parts from other brands securements with the BESI securements?

No, BESI securements have not been tested with any other brands, please do not mix other brands with BESI.

Cross#'s: BES-BI-38-4, NBPBESBR38-4, SJ101LBES