--- product_id: 92066284 title: "Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug" brand: "morphing mugs" price: "$76.90" currency: USD in_stock: true category: "Morphing Mugs" url: https://www.desertcart.us/products/92066284-harry-potter-expecto-patronum-spell-ceramic-heat-sensitive-16-oz store_origin: US region: United States of America --- # 16 oz heat-sensitive magic Patronus stag reveal Hand wash recommended Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug **Brand:** morphing mugs **Price:** $76.90 **Availability:** ✅ In Stock ## Summary > 🦌 Sip the magic, ward off the mundane! ## Quick Answers - **What is this?** Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug by morphing mugs - **How much does it cost?** $76.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/92066284-harry-potter-expecto-patronum-spell-ceramic-heat-sensitive-16-oz) ## Best For - morphing mugs enthusiasts ## Why This Product - Trusted morphing mugs brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dementors Beware:** Dynamic artwork transforms from Dementors to a glowing stag, bringing magic to your desk. - • **Care with a Charm:** Hand wash only to preserve the mystical heat-sensitive coating—no microwaves, no worries. - • **Collector’s Pride:** Officially licensed Harry Potter merch that elevates any fandom display. - • **16 Ounces of Wizardry:** Generous capacity perfect for your daily coffee or tea rituals. - • **Cast Your Morning Spell:** Heat-activated design reveals Harry’s iconic Patronus with every hot pour. ## Overview This 16 oz ceramic mug features a heat-sensitive design that reveals Harry Potter’s Patronus stag when filled with hot liquid, transforming from a Dementor-covered surface. Officially licensed by Trend Setters Ltd., it’s perfect for collectors and fans who want a daily dose of wizardry. Hand wash only to maintain its magical effect. ## Description “Expecto patronum!” Cast the difficult spell and let Harry’s patronus come into focus with this Morphing Mugs heat-sensitive clue mug. Add hot liquid to this mug to reveal the stag and take down more than a few Dementors in the process! Authentic Morphing Mugs Heat Sensitive Clue Mug This is the real deal. This is the legit Morphing Heat-Sensitive Clue Mug by Trend Setters Ltd. This mug looks great sitting out on display for those who like to show off their collection. Pouring hot liquid enhances the design with a surprise reveal. Perfect for gifting or collecting, drinking or displaying! ## Features - "Expecto Patronum!" The 16 oz heat sensitve mug shows just how truly powerful the spell is by warding off Dementors. - At room temperature, Dementors are in full force on this mug. Add hot liquid and Harry's stag Patronus appears, diminishing the Dementors as though you cast the "Expecto Patronum" spell! - We didn't use the Doubling Charm on this product! Images are to show the mug’s design from left to right. This listing is for one (1) ceramic mug. - To preserve the mystical abilities of this mug, we recommend hand wash only. Not microwave safe. - Trend Setters Ltd. creates a variety of officially licensed products from your favorite fandoms as well as hundreds of original designs. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01K8P7HZW | | Age Range Description | Adult | | Best Sellers Rank | #84,899 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #967 in Novelty Coffee Mugs | | Brand Name | Morphing Mugs | | Capacity | 16 ounces | | Color | Expecto Patronum | | Customer Reviews | 4.8 4.8 out of 5 stars (4,213) | | Included Components | Handle | | Item Dimensions W x H | 4.2"W x 4.3"H | | Item Weight | 8.32 ounces | | Manufacturer | Trend Setters Ltd. | | Manufacturer Part Number | MMUGC405 | | Material Features | Ceramic | | Material Type | Ceramic | | Model Number | MMUGC405 | | Number of Items | 1 | | Other Special Features of the Product | Microwave Safe | | Pattern | Changing Dementors to Patronus Stag | | Product Care Instructions | Hand Wash Only | | Product Style | Modern | | Recommended Uses For Product | Home | | Reusability | Reusable | | Shape | Round | | Size | 16 Ounces | | Theme | Harry Potter | | Unit Count | 1 Count | ## Product Details - **Brand:** Morphing Mugs - **Capacity:** 16 ounces - **Color:** Expecto Patronum - **Material:** Ceramic - **Special Feature:** Microwave Safe ## Images ![Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug - Image 1](https://m.media-amazon.com/images/I/71aifQU9WiL.jpg) ![Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug - Image 2](https://m.media-amazon.com/images/I/415jwNFtgbL.jpg) ![Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug - Image 3](https://m.media-amazon.com/images/I/51MhmfsPkHL.jpg) ![Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug - Image 4](https://m.media-amazon.com/images/I/51e-RdbG4sL.jpg) ![Harry Potter Expecto Patronum Spell Ceramic Heat Sensitive 16 oz Clue Mug - Image 5](https://m.media-amazon.com/images/I/31DeI03B92L.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Morphing Mugs Harry Potter - Marauder's Map - I Solemnly Swear – 16 oz Large Ceramic Heat Sensitive Clue Mug – Full image revealed when HOT liquid is added - Harry Potter Metal Bookmark with Hanging Charm Golden Snitch Hogwarts Reading Gifts Book Lovers Gift Box (Golden Snitch) - Dobby Socks, SweetGo Dobby Is Free Knitted Words Unisex Combed Cotton Novelty Socks 1 Pack (Light Gray, One Size) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/92066284-harry-potter-expecto-patronum-spell-ceramic-heat-sensitive-16-oz](https://www.desertcart.us/products/92066284-harry-potter-expecto-patronum-spell-ceramic-heat-sensitive-16-oz) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-09-20*