# Cybex seat pack styles compared Which Cybex seat pack style should a shopper choose for a stroller? Cybex Priam 5 / e\-Priam 3 Seat Pack \- Style Collection: It is stated compatible with Priam 5 and e\-Priam 3 frames\. The store data explicitly says it is not compatible with earlier Priam or e\-Priam frames\. Store data for this seat pack lists a maximum child weight of 55 lb, about 25 kg\. The seat pack includes a large sun canopy with mesh ventilation inserts\. Cybex Mios 4 Seat Pack: The Mios 4 Seat Pack is the soft\-goods seat unit plus a matching basket that attaches to a Mios 4 frame to complete the stroller\. The maximum child weight is 55 lb\. The canopy extends and is rated UPF 50\+\. Cybex Priam 4 / e\-Priam 2 Seat Pack: Fits Priam 4 and e\-Priam 2 frames\. Not compatible with earlier Priam or e\-Priam frames\. Includes sun canopy, seat fabric and padded harness\. ### 1. [Cybex Priam 5 / e\-Priam 3 Seat Pack \- Style Collection](/products/ucp/megababiesusa-com/9346414018814) (sold by megababiesusa\.com) It is stated compatible with Priam 5 and e\-Priam 3 frames\. - Frame fit: It is stated compatible with Priam 5 and e\-Priam 3 frames\. (listing) - Weight limit: Store data for this seat pack lists a maximum child weight of 55 lb, about 25 kg\. (listing) - Canopy: The seat pack includes a large sun canopy with mesh ventilation inserts\. (listing) - Harness: It has a one\-pull harness intended to secure the child quickly and make getting in and out easier\. (listing) - Warranty: Store data states a 2\-year warranty\. (listing) ### 2. [Cybex Mios 4 Seat Pack](/products/ucp/megababiesusa-com/9374327931134) (sold by megababiesusa\.com) The Mios 4 Seat Pack is the soft\-goods seat unit plus a matching basket that attaches to a Mios 4 frame to complete the stroller\. - Frame fit: The Mios 4 Seat Pack is the soft\-goods seat unit plus a matching basket that attaches to a Mios 4 frame to complete the stroller\. (listing) - Weight limit: The maximum child weight is 55 lb\. (listing) - Canopy: The canopy extends and is rated UPF 50\+\. (listing) - Harness: It has a one\-pull harness intended to make getting the child in and out easier while keeping them secure\. (listing) - Warranty: The stated warranty is 2 years\. (listing) ### 3. [Cybex Priam 4 / e\-Priam 2 Seat Pack](/products/ucp/megababiesusa-com/7611587592446) (sold by megababiesusa\.com) Fits Priam 4 and e\-Priam 2 frames\. - Frame fit: Fits Priam 4 and e\-Priam 2 frames\. (listing) - Weight limit: Sources disagree on starting age: the maker's specifications say 6 months to approximately 4 years, with a maximum child weight of 55 lbs\.; the store says birth to 55 lbs\. (guide) - Canopy: Includes sun canopy, seat fabric and padded harness\. (listing) - Harness: One\-pull harness secures the child in seconds\. (listing) - Warranty: - ## Also cited in the text - Cybex Priam 5 / e\-Priam 3 Seat Pack \- Style Collection, compatibility limits: The store data explicitly says it is not compatible with earlier Priam or e\-Priam frames\. (listing) - Cybex Priam 4 / e\-Priam 2 Seat Pack, compatibility: Not compatible with earlier Priam or e\-Priam frames\. (listing) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-24T20:35:58.072Z. This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. The person approves the total; once RoboTrunk has checked the store's total against it, the person is given the checkout link to tap in their own browser, or, if the person prefers and gives permission, their agent may open the link and finish there, and payment always happens on the store's own checkout page. RoboTrunk never takes the payment or sees a card. Where the rest of this site is: - /agent/story.md is what RoboTrunk is and how it works, in full. - /agent/tools.json is every tool, its arguments and its answers. - /agent/merchants is every store you can buy from through RoboTrunk. - /products/ucp is every store's indexed products. - /products/search is one search across every store, in plain words. - [What RoboTrunk is](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)