303Z-S, Ez-On Small School Bus and Family Vehicle Adjustable Vest

Spec sheet

Collected from 3 supplier pages - confirm fit with the supplier before ordering.

The 303Z is the ideal choice for use in all types of vehicles. The vest's rear zipper closure can help prevent passengers from accidentally or deliberately removing their vest during transport. This vest contains 3 zipper options and adjustability through the shoulders, allowing the product to grow with the passenger. The 303Z is a great option for anyone looking for a safe, secure way to transport a wide variety of children. - 303Z-S - Replaces Part # 103Z-S - Small adjustable zipper vest with loops for ALL vehicles - Waist Size: 25” – 32” - Rear Zipper Closure with 3 zipper options and adjustable at shoulders for growing passengers - With sewn-on loops for seat belt to feed through when using a 100TM in a family vehicle - Meets FMVSS213 - For use by passengers over 31lbs. and over - Vests sized XS – M come with crotch straps meeting NHTSA guidelines. - When heavy clothing, like winter jackets, are worn, the vest must be worn underneath. - Register this transportation vest to be notified of a safety recall - Do not use with non-Ez-On Mounts - Recommended replacement after 6 years **Note: This vest does NOT include a mount, it must be purchased separately**

Suppliers (5)

• Bus Part Experts

  303Z/S EZ-ON VEST - SMALL - 3 ZIP -ADJUSTABLE ZIPPER VEST WITH LOOPS - FOR FAMILY VEHICLES · Orderable · stock unverified

  Checked Oct 28, 2026
  $79.99
  View at supplier
• BPW Direct

  303ZS Small EZ-On Adjustable Vest 25-32" Chest · In stock

  Checked Oct 28, 2026
  $86.73
  View at supplier
• TAC Bus Parts

  303Z-S EZ-On Adjustable Vest Only 25"-32" · Unavailable

  Checked Oct 29, 2026
  $93.97
  View at supplier
• Unity School Bus Parts

  303Z-S, Ez-On Small School Bus and Family Vehicle Adjustable Vest · In stock

  Checked Oct 27, 2026
  $96.10
  View at supplier
• Unity School Bus Parts

  303Z-S, Ez-On Small School Bus and Family Vehicle Adjustable Vest · In stock

  Checked Oct 28, 2026
  $96.10
  View at supplier

Specifications and fitment

UPC

303Z/S

Part Number

303Z-S

Replaces Part #

103Z-S

Waist Size

25” – 32”

Weight Limit

For use by passengers over 31lbs.

Zipper Options

3

Compatibility

100SMU, 100TM, 100FM, 100WC

Washing Instructions

Cold water only. Hand or Machine wash on delicate cycle. Use a mild detergent such as Woolite. Do not Machine Dry. IMPORTANT: DO NOT USE BLEACH OR DRY-CLEANING PRODUCTS.

Warranty

1 year from manufacturer date

Recommended Replacement

after 6 years

Features

• Adjustable rear zipper closure
• 3 zipper options for adaptability
• Sewn-on loops for seat belt feeding
• Meets FMVSS213 standards
• Crotch straps included for XS – M sizes
• Compatible with multiple mount options

Fits

• All types of vehicles
• School buses
• Family vehicles

Price history