SereneLife SLTRA12BL

SereneLife Outdoor Trampoline with Enclosure Net

Model: SLTRA12BL

1. Introduction

Thank you for choosing the SereneLife Outdoor Trampoline. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your trampoline. Please read all instructions carefully before assembly and use to ensure maximum safety and enjoyment.

SereneLife Outdoor Trampoline with Enclosure Net

Image: The SereneLife 12FT Outdoor Trampoline with its full enclosure net, ready for use in a backyard setting.

2. Important Safety Instructions

WARNING: Failure to follow these instructions may result in serious injury or death.

  • Always supervise children using the trampoline.
  • Only one person should jump at a time to prevent collisions.
  • Do not attempt somersaults or other dangerous maneuvers without proper training and supervision.
  • Ensure the enclosure net is properly secured before each use.
  • Inspect the trampoline regularly for damaged or worn parts. Replace immediately if necessary.
  • Keep clear of the area under the trampoline.
  • Do not use the trampoline when wet or in windy conditions.
  • Remove all jewelry, watches, and sharp objects before using the trampoline.
Child jumping safely inside the trampoline enclosure with a safety net and spring pad visible.

Image: A child jumping on the trampoline, highlighting the safety net and padded spring cover for secure use.

Close-up of the trampoline's safety features including a double-sided zipper, plastic buckle, and sturdy L-shaped frame construction, with an ASTM approval logo.

Image: Detailed view of the trampoline's safety features, including the double-sided zipper and buckle on the enclosure, and the robust L-shaped frame design, emphasizing ASTM certification.

3. Product Overview

The SereneLife Outdoor Trampoline is designed for recreational use by children, teens, and adults. It features a robust construction and multiple safety elements to ensure a fun and secure bouncing experience.

Key Features:

  • Superior Bounce: Equipped with 72 high-tension springs and a reinforced polypropylene jumping mat for optimal rebound.
  • Enhanced Safety: Features a 70-inch tall enclosure net, padded covers, foam-covered poles, and secure zippers with buckles. ASTM approved materials ensure peace of mind.
  • Stable Design: Galvanized steel frame with unique L-shaped legs provides unmatched stability, preventing wobbling on various surfaces.
  • Durable & Weather-Resistant: Constructed with UV-tested, waterproof materials and a rust-resistant steel frame for long-lasting outdoor use.
Three children jumping on the trampoline, with close-ups of high-tensile springs and the bouncy jumping mat.

Image: Children enjoying the trampoline, showcasing the high-tensile springs and the bouncy jumping mat that contribute to its superior bounce.

Three children jumping on a spacious 12 ft outdoor trampoline with a 128-inch jumping mat diameter, supporting up to 264 lbs.

Image: Multiple children jumping on the spacious 12-foot trampoline, illustrating its large jumping area and weight capacity.

4. Package Contents

Please verify that all components are present and undamaged before beginning assembly. If any parts are missing or damaged, please contact customer support.

  • Trampoline Frame (Metal Frames)
  • Jumping Mat
  • Safety Net Enclosure
  • Poles with Foam Padding
  • Springs (72 count)
  • Ground Hooks
  • Assembly Hardware & Tools
  • Instruction Manual
Diagram showing all components included in the SereneLife trampoline package: ground hooks, metal frames, poles with foam, safety net enclosure, jumping mat, and springs.

Image: An exploded view diagram illustrating all parts included in the trampoline package, such as the frame, mat, net, poles, springs, and ground hooks.

5. Assembly Instructions

Assembly typically requires two adults and can be completed in approximately 1-2 hours. Follow these steps carefully:

  1. Unpack Components: Lay out all parts on a clean, flat surface. Refer to the 'Package Contents' section to ensure all items are present.
  2. Assemble Frame: Connect the metal frame tubes to form the circular base. Secure them using the provided hardware.
  3. Attach Legs: Connect the L-shaped legs to the circular frame. Ensure they are securely fastened for stability.
  4. Install Jumping Mat: Carefully attach the springs to the jumping mat and the frame. Use the spring tool if provided, and follow the recommended pattern for even tension.
  5. Erect Enclosure Poles: Slide the foam padding onto the enclosure poles. Attach these poles to the trampoline frame.
  6. Attach Safety Net: Secure the safety net to the top of the enclosure poles and the perimeter of the jumping mat. Ensure the zipper opening is correctly positioned.
  7. Secure with Ground Hooks: For added stability and wind resistance, install the ground hooks as instructed in the detailed manual.

Video: An official product video demonstrating the assembly and enjoyment of the SereneLife Trampoline, highlighting its features and ease of setup.

6. Operating Instructions

To ensure a safe and enjoyable experience, please adhere to the following operating guidelines:

  • Entry and Exit: Always use the designated zippered opening to enter and exit the trampoline. Secure the zipper and buckle after entering.
  • Single User Rule: Only one person should be on the trampoline at a time to prevent collisions and injuries.
  • Safe Jumping: Jump in the center of the mat. Avoid jumping too high or attempting stunts beyond your skill level.
  • Supervision: Children should always be supervised by a responsible adult while using the trampoline.
  • Weather Conditions: Do not use the trampoline during rain, strong winds, or thunderstorms.

7. Maintenance

Regular maintenance will prolong the life of your trampoline and ensure continued safety.

  • Daily Inspection: Before each use, check the trampoline for any loose, missing, or damaged parts, especially the springs, mat, net, and frame connections.
  • Cleaning: Clean the jumping mat and frame with mild soap and water. Avoid harsh chemicals that could damage the materials.
  • Weather Protection: While weather-resistant, consider covering the trampoline during prolonged periods of harsh weather or storing it indoors during winter months to extend its lifespan.
  • Ground Anchors: Periodically check the ground hooks to ensure they remain firmly in place.
Two images showing the trampoline in different weather conditions: one in rain (waterproof materials) and one in sun (rust-resistant frame, anti-UV protection).

Image: The trampoline shown enduring various weather conditions, emphasizing its waterproof, rust-resistant, and anti-UV protected materials for year-round durability.

8. Troubleshooting

Here are some common issues and their solutions:

ProblemPossible CauseSolution
Reduced BounceLoose or damaged springs; worn jumping mat.Inspect and replace any damaged springs. Check the mat for tears or excessive stretching.
Trampoline WobblesUneven ground; loose leg connections; missing ground anchors.Ensure the trampoline is on level ground. Tighten all leg connections. Install or re-secure ground hooks.
Enclosure Net SaggingLoose net attachments; damaged poles.Re-tighten all net attachments to the poles and frame. Inspect poles for bends or breaks and replace if necessary.

9. Specifications

FeatureDetail
BrandSereneLife
Model NumberSLTRA12BL
Frame Size12 Feet
ShapeRound
Product Dimensions144"L x 144"W x 106.3"H
Frame MaterialAlloy Steel
Item Weight58.97 Kilograms
Maximum Weight Recommendation264 Pounds
Number Of Springs72
Material TypeBlend (Jumping Mat)
Pad TypeFoam Pad
UPC842893123974

10. Warranty and Support

This SereneLife Trampoline comes with a 1 Year Warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, improper assembly, or normal wear and tear.

For warranty claims, technical support, or replacement parts, please contact SereneLife customer service. Keep your proof of purchase for all warranty-related inquiries.

© 2026 SereneLife. All rights reserved.

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