Drive More Back in Stock Purchases with MMS Messages

Boost back‑in‑stock conversions

Generated by Klaviyo AI

The article explains how to enhance back-in-stock flows by adding dynamic MMS images to SMS messages. It outlines why visuals improve recognition and engagement, and how Klaviyo pulls product-specific images from your catalog using a simple tag.

Back-in-stock flowsKlaviyo automatically notifies subscribers via email or SMS when products they showed interest in are available again.
Dynamic MMS uses catalog data so each recipient sees the exact product variant—such as color or model—they previously considered.

Klaviyo’s back-in-stock flows allow brands to automatically notify customers when an item they expressed interest in is available for purchase again. With Klaviyo, brands can send these notifications to subscribers with either email or SMS. This latest update to the back in stock flow allows brands to use MMS dynamically in their flow messages.

MMS refers to any text message that includes an image or GIF. Dynamic MMS means that the image being displayed will be unique to each recipient and isn’t a static image you set before sending. By including an image of the product brands can help remind and further entice customers to make a purchase while supplies last.

The challenge

With so much to pay attention to these days and attention spans becoming increasingly shorter, it’s important that when you do get your subscribers to take notice that you make it count.

Text message marketing has become a powerful tool to do just that. Texts help cut through the noise of ads or the clutter of the email inbox, and engage with your subscribers directly. The back-in-stock flow is a perfect example for SMS as the message provides immediate value to subscribers and requires them to act fast.

Yet without an image of the product, the subscriber may not recognize the product by name and copy alone may fail to pique their interest enough to click through and eventually purchase.

The solution

Most of the media and ads we engage with include a visual component, so why should your back in stock texts be any different? By adding an image to your texts, you’ll instantly remind the subscriber what product they were considering and build excitement of its return. Adding an image is also helpful as text messages need to be succinct. Oftentimes an image or GIF of a product can tell us more or evoke more emotion than the copy itself.

To add MMS to your back in stock flow, you’ll need to simply copy and paste a catalog tag into the image field of your text message, and Klaviyo will automatically pull in a product image from your catalog.

This catalog tag will be specific to your ecommerce integration and to the product variant level, meaning that it will display the exact color or model the subscriber was considering purchasing and not a generic photo.

Rob Hand

Rob has been at Klaviyo for over 4 years where he’s grown into several roles including Principal Customer Success Manager, helping customers strategically grow their business. He discovered his passion for SMS marketing and has since joined the Marketing team as the Product Marketing Manager for SMS. In his free time, Rob is a cyclist and runner.

Set as Preferred Source

Related content

Klaviyo news

Jul 21, 2026

4 new integrations for smarter marketing

See how Klaviyo integrations from Figma, Yotpo, Contentsquare, and Fairing feed live signals into your segments and flows to trigger smarter email and SMS.

Klaviyo news

Jul 13, 2026

Tracking pixels in email

France and Italy now require consent before using tracking pixels in email for most marketing. See what changed, what Klaviyo has built, and what to do now.

Klaviyo news

Jul 7, 2026

Klaviyo Social Marketing is here

Bring social into CRM by turning Instagram followers into subscribers, syncing to paid channels, and capturing every comment, DM, post and tag to fuel more personalized omnichannel marketing.

# Drive more back-in-stock purchases with MMS messages Klaviyo’s back-in-stock flows allow brands to automatically notify customers when an item they expressed interest in is available for purchase again. With Klaviyo, brands can send these notifications to subscribers with either email or SMS. This latest update to the back in stock flow allows brands to use MMS dynamically in their flow messages. MMS refers to any text message that includes an image or GIF. Dynamic MMS means that the image being displayed will be unique to each recipient and isn’t a static image you set before sending. By including an image of the product brands can help remind and further entice customers to make a purchase while supplies last. ## **The challenge** With so much to pay attention to these days and attention spans becoming increasingly shorter, it’s important that when you do get your subscribers to take notice that you make it count. Text message marketing has become a powerful tool to do just that. Texts help cut through the noise of ads or the clutter of the email inbox, and engage with your subscribers directly. The back-in-stock flow is a perfect example for SMS as the message provides immediate value to subscribers and requires them to act fast. Yet without an image of the product, the subscriber may not recognize the product by name and copy alone may fail to pique their interest enough to click through and eventually purchase. ## The solution Most of the media and ads we engage with include a visual component, so why should your back in stock texts be any different? By adding an image to your texts, you’ll instantly remind the subscriber what product they were considering and build excitement of its return. Adding an image is also helpful as text messages need to be succinct. Oftentimes an image or GIF of a product can tell us more or evoke more emotion than the copy itself. To [add MMS to your back in stock flow](https://help.klaviyo.com/hc/en-us/articles/7954040204827-How-to-use-SMS-in-your-back-in-stock-flows), you’ll need to simply copy and paste a catalog tag into the image field of your text message, and Klaviyo will automatically pull in a product image from your catalog. This catalog tag will be specific to your ecommerce integration and to the product variant level, meaning that it will display the exact color or model the subscriber was considering purchasing and not a generic photo.