Hollister ostomy products and samples:

1.888.740.8999 Secure Start services: 1.888.808.7456 

https://secure.hollister.com/en/contactuspage

Coloplast ostomy products and samples: 

1-888-726-7872 Call to speak to a Coloplast product specialist. 

https://www.coloplast.us/products/

ConvaTec request a sample

1-800-422-8811 ConvaTec support team specialists

https://www.convatec.com/forms/request-samples-global/