vsversusfinder

BubbleBum Teleport Backless Booster Car Seat, Kids vs Cosco Topside Backless Booster Car Seat,

Updated July 2026 — BubbleBum Teleport Backless Booster Car Seat, Kids wins on safety and portability, Cosco Topside Backless Booster Car Seat, wins on weight.

The BubbleBum Teleport offers superior safety features and portability, making it a better choice for frequent travelers. However, the Cosco Topside is a budget-friendly option that still provides comfort.

Why BubbleBum Teleport Backless Booster Car Seat, Kids is better

Safety Certification

BubbleBum is USA Baby Safety Alliance certified.

Portability

BubbleBum compacts down to 40% of its size.

Ease of Setup

BubbleBum has a simple three-step setup process.

Why Cosco Topside Backless Booster Car Seat, is better

Price

Cosco is significantly cheaper at $19.99.

Sales Rank

Cosco has a better sales rank of 310.

Comfort Padding

Cosco features extra-plush padding.

Overall score

BubbleBum Teleport Backless Booster Car Seat, Kids
85
Cosco Topside Backless Booster Car Seat,
65

Specifications

SpecBubbleBum Teleport Backless Booster Car Seat, KidsCosco Topside Backless Booster Car Seat,
Max Weight100 lbs100 lbs
Age Range4+40-100 lbs
Washable CoverYesHand wash only
Belt PositioningYesYes
Travel FriendlyYesYes

Dimension comparison

BubbleBum Teleport Backless Booster Car Seat, KidsCosco Topside Backless Booster Car Seat,

Introduction to the Comparison

When it comes to choosing a booster seat, safety, comfort, and portability are among the top priorities for parents. In this comparison, we’ll look at the BubbleBum Teleport Backless Booster Car Seat and the Cosco Topside Backless Booster Car Seat. The BubbleBum is priced at $62.99, while the Cosco seat is significantly cheaper at $19.99. This stark price difference leads us to explore what each booster seat offers in terms of features and usability.

Design and Portability

The BubbleBum Teleport offers an innovative telescopic design, allowing it to compact down to 40% of its size for easy transport. This makes it an excellent option for families who travel frequently or need a booster that can be easily transferred between vehicles. The Cosco Topside, while also lightweight and compact, focuses more on straightforward functionality without the advanced folding mechanism. It is easy to move between cars but lacks the portability features of the BubbleBum. Thus, if travel convenience is essential, the BubbleBum excels in this category.

Safety Features

Safety is paramount when selecting a booster seat. The BubbleBum Teleport is USA Baby Safety Alliance certified and tested to FMVSS 213 standards, ensuring it meets some of the highest safety benchmarks. In comparison, the Cosco Topside also caters to safety, providing a boost in height for proper seatbelt positioning. However, it does not mention specific safety certifications. Therefore, if certification and rigorous testing are priorities for you, the BubbleBum stands out as the safer option.

Comfort Level

When it comes to comfort, both booster seats provide adequate padding, but their approaches differ. The BubbleBum features a padded seat and a removable, machine-washable cover, making it easy to keep clean and comfortable for kids. The Cosco Topside boasts extra-plush padding, enhancing ride comfort but requires hand washing. While both options prioritize comfort, the BubbleBum's removable cover offers an advantage in maintenance.

User-Friendliness

The BubbleBum Teleport is designed for easy setup with a three-step process, which includes extending the seat and securing it with belt guides. This simplicity can be a crucial factor for parents on the go. The Cosco Topside also offers user-friendly features, such as being lightweight for transport, but does not emphasize the setup process as much. Ultimately, the BubbleBum provides a more streamlined experience for quick installations.

Price Comparison

The price difference between the two booster seats is significant. The BubbleBum Teleport is priced at $62.99, while the Cosco Topside is a budget-friendly $19.99. This makes the Cosco about 68% cheaper than the BubbleBum. While the lower price might attract budget-conscious buyers, it is essential to consider whether the additional features and safety certifications of the BubbleBum justify the higher cost.

Sales Performance

In terms of sales rank, the Cosco Topside performs exceptionally well, with a bestseller rank of 310, indicating its popularity among consumers. The BubbleBum, on the other hand, holds a rank of 6980, which suggests it is less commonly chosen. This discrepancy may reflect varying consumer preferences, with many opting for the more economical choice in the Cosco seat. If sales performance is a measure of consumer trust, the Cosco has the upper hand.

Target Age Range

Both booster seats cater to children weighing between 40 to 100 lbs, making them suitable for a wide range of ages. However, the BubbleBum is explicitly marketed for children aged four and older, and it emphasizes versatility for travel and everyday use. The Cosco Topside is also designed for growing kids, with a focus on height requirements between 43.4 inches to 57 inches. Therefore, both products equally serve the target demographic, but the BubbleBum's emphasis on travel may appeal more to families who are frequently on the move.

Which should you buy?

Ultimately, the decision between the BubbleBum Teleport and the Cosco Topside Backless Booster Car Seat depends on your specific needs. If safety certifications, ease of setup, and portability are your top priorities, the BubbleBum is worth the higher price of $62.99. However, if you are looking for a cost-effective solution that still provides comfort and adequate safety, the Cosco Topside at $19.99 could be the better choice. Each seat has its strengths, so consider what features are most important for your family before making a purchase.