HCFA 1500 Security Tint Self Seal Envelopes， 500 Per Box[Product Information]- Enter your model numberto make sure this fits.
- White envelope with a 4-1/2 x 1-1/8" window on the right side.
- Designed for Medicare Form #HCFA-1500， Medicaid， and other health insurance claim forms.
- Security Tint Inside
- Self Seal， No Water needed
- Just fold over the flap and will stick
