---
title: What are Exclusive Category Sponsorship banners?
description: Exclusive Category Sponsorship (ECS) banners appear when our members are browsing content in a specific technology category.
---

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# What are Exclusive Category Sponsorship banners?

## Exclusive Category Sponsorship (ECS) banners appear when our members are browsing content in a specific technology category.

The purpose of the ECS banners is to influence the technical buyers’ selection process when they search in a specific category of chemicals or materials. As their name suggests, these banners give you exclusivity of a category, meaning that no banners from other suppliers can appear during the month you have them booked. 

### What are the specifications for Exclusive Category Sponsorship banners? 

The Exclusive Category Sponsorship banners are a combination of Leaderboard and Rectangle position banners. Below are the specifications for each position and device:

- Leaderboard Desktop version – 970x90px
- Leaderboard Tablet version - 728x90px
- Leaderboard Mobile version - 320x50px
- Top Rectangle - 300x250px

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