Current Promotions
Check out the latest promotions and special offers from Holy-Poly Isopods.
🎃 Trick or Treat!
Spend $50 or more, pick up to 4 FREE treats, and use code TRICKORTREAT at checkout!
How to get your treats
1. Shop HPI and spend $50 or more.
2. Choose Your Treats - Add up to 4 qualifying treats to your cart. Mix and match from:
• Feeding Trays — Black, White, or Orange
• Hideouts — Zebra Top-Hat Isopod, Mushroom, Jack-O-Lantern
3. Enter code TRICKORTREAT at checkout.
4. Your qualifying treats are FREE!
Promotion ends Halloween — October 31, 2026!
One use per customer. Online orders only. Cannot be combined with certain discounts.