Receive 20% off Seeing Stripes leash and collar with the purchase of Whistle Health while supplies last or by 06/25/22 at 11:59PM PT on http://whistle.com. Offer is nontransferable. Not valid on previous purchases, Whistle Health & GPS, Whistle Health & GPS+, replacement parts, or shipping & handling charges. Cannot be used in conjunction with other codes. Whistle™ may modify or cancel offer at any time.