*Offer valid in the US only, limit one per customer while supplies last. No purchase necessary. This promotion is available only to life science professionals 21 years or older who reside in the United States. The estimated value of the tumbler is $11 USD. Healthcare professionals cannot participate. By registering, you warrant that you are not prohibited by employment, contract, or law from accepting the tumbler from NEB. Offer void in where prohibited, licensed or restricted by federal, state, provincial, or local laws or regulation or agency/institutional policy. Other restrictions may apply.