# MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks

Add a three-sided barrier around a king bed with the MagicFox adjustable toddler rail, fits mattresses up to 12 inches.

- [Original product page](https://www.ofertitastop.com/us/product/magicfox-br-us-sides-king-bed)
- [View offer](https://www.ofertitastop.com/us/visit/magicfox-br-us-sides-king-bed)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-22T22:41:57.737Z
- Brand: MagicFox
- Model: BR-US-3 Sides
- MPN: BR-US-3 Sides
- SKU: ofertitastop-us-124985
- Category: Baby & Toddler > Baby Safety > Baby Safety Rails
- Source store: amazon US
- Active deal: Yes
- Price: 149.99 USD
- Previous price: 159.99 USD
- Discount: 6%
- Rating: 4.9 / 5
- Reviews: 26

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## Description

## Technical overview

For a toddler moving to a king bed, the MagicFox BR-US-3 Sides is a three-piece rail set designed to create a barrier along multiple sides of the mattress. Its metal frame is described as thickened steel tubing, and the panels use breathable mesh. Height adjustment is listed from 2 to 12 inches, while the product is specified for mattresses up to 12 inches thick. Those fit details are useful starting points when comparing it with a single-panel rail, but the actual bed setup still matters.

The rails have a double-lock system and a lifting design for access. Installation is described as tool-free, using a press-fit and strap anchoring system, the listing says it works with most king beds, box springs, and platform beds. The stated dimensions for the king set are 78.7 by 78.7 by 74.8 inches. The separate item dimensions are also listed as 78 inches wide by 28 inches high, so the provided measurements are not fully consistent. Check the assembled layout against the bed before choosing it.

## Everyday use

The three-sided format is intended to cover more of a king bed than a basic one-sided guard. For example, it may suit a bedroom where a toddler sleeps beside an adult and the exposed sides of the mattress need a barrier, while the lifting section allows a caregiver to get in and out. The mesh panel keeps the design visually more open than a solid guard, and the metal frame gives it a more structured setup than a fabric-only bedside barrier.

Its useful fit range has a clear boundary: the listed maximum mattress thickness is 12 inches. A thicker mattress falls outside the stated specification. Height adjustment is presented as a way to align the rail with different mattress heights, but the listing gives conflicting adjustment-level counts, so the exact number of positions is unclear. It makes sense if you need a multi-side king-bed setup and your mattress is within these limits. You may want to skip it if you need a rail for another bed size or a mattress thicker than the stated maximum.

## Box contents

The listed included component is a three-piece bed rail. The product information describes the set as a king-size arrangement, but does not provide a separate itemized list of hardware or accessories. The no-drill installation claim may appeal to households that do not want to modify the bed frame, the stated setup uses press-fit placement and strap anchoring instead. Allow for the rail’s full layout around the bed when deciding whether this approach suits the room and the way the bed is positioned.

## Should you buy it?

This is a focused option for families looking for a three-sided guard for a king bed, rather than a single rail intended to cover only one edge. Its adjustable height, mesh panels, lifting access, and double locks address practical setup and access needs, while the 12-inch mattress limit is the clearest fit constraint. The listing does not establish compatibility with every king-bed frame, so the bed type and available space deserve attention before purchase. If your mattress and layout match the stated requirements, the three-piece design offers broader coverage than a basic one-sided guard, if you need a different size or a more specific fit guarantee, look for a product with those details explicitly stated.

## Images

![MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks — 1](https://www.ofertitastop.com/i/LRwBmgMeutVSBbzNRE4iP8U990NUIvlyG812B1La2e9qJdTU0xMf7UXFnJI1_J8unvAl1_m0gqHa5Z9BeBB3wiLekbmV71sIYVFkGBlN23F08FemBxbw0BBuww.jpg)

![MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks — 2](https://www.ofertitastop.com/i/TY0LNHwfU2o89zVpwLcRO8y-mKwClLomi7Y5vVk-BKYxFGBaJkUIUa2hy6Q7zmhIl3WqUSDFTF-t2N8Pp_10jeGl-E0lTiWbzcKa653G-UCWzRES6Lxnm_HKYw.jpg)

![MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks — 3](https://www.ofertitastop.com/i/VJelneErO9iM5YEXmdvyWIHkr8dWJdP_SgN9NFzbPZhzg89hYMGhle8TYFuUhRLa4yu1X_C_eCG6RCIrcJcG5gdEdlgso7G58895G0TaO0EqwZs17qpJGydQlw.jpg)

![MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks — 4](https://www.ofertitastop.com/i/5P9WkrZmqSu5eWeSI0ylTgRHmjRwroU1wFnnVoTxO3hB5jAF8PfFG1VHlTsM9jm4o2ds43KuGCaHjPtGGy0jfKh_1sjSEoMh1hJx3isxyBPEwXB_2KUcn4BBbg.jpg)

![MagicFox BR-US-3 Sides King Bed Rail, Adjustable Steel Frame, Double Locks — 5](https://www.ofertitastop.com/i/PdCDjsTSVE6ovdPtBhz3y1ICy4D5tX3zwlIk_DjfMeRsUfUf2eIofgbpUiKwqu8PY50XxWyIYafaHjTPmDxNY8pTDrf2_4el93Lc12gltXeTv4yx0fcItLlFkQ.jpg)