503 Lay Down Vest

Product Details

The 503 is a prefered choice to transport lying down passengers in a personal vehicle. Its front push-button closure makes it easy to get in and out of. Commonly used by parents who need to transport their children to or from a hospital. The 503 is a great option for anyone looking for a safe, secure way to transport children lying down.

  • Front push-button closure
  • Adjustable to accommodate for growing passengers
  • Meets NHTSA regulation between 22lbs. and 106lbs.
  • Extremity belt included
  • No mount required
  • Available in sizes XS, S, and M
  • Sewn on crotch strap included on ALL SIZES
  • When heavy clothing, like winter jackets, are worn, the vest must be worn underneath.
  • Custom sizing available

Contact a dealer to make your purchase

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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.



EZ-ON Products Stands behind the products we make. Warranty covers any defects in material or workmanships under normal use during the warranty period. We will repair or replace product defects for 1 year from manufacturer date.



Death or serious injury can occur if manufacturer’s instructions are not followed correctly. All EZ-ON Products are dynamically tested to meet NHTSA standards. Please follow washing instructions on product tag. Replace product if it is damaged, frayed or has been in a crash. Recommended replacement after six years. EZ-ON Products are not liable for injury if these recommendations are not followed.

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