Related Clues:

• Secure against leakage
• It makes an impression
• Bladdernose, for one
• Easter or Christmas issuance
• Elite Navy diver
• Imprint
• Bathtub sealant
• Corporate symbol
• Zoo attraction
• Make watertight
• Security feature
• Symbol of office
• Use a signet
• "Crazy" singer
• He jumps through hoops