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Long-lasting Protection

Premium Oxford fabric for long-lasting durability through daily outdoor use

Stop Algae Growth

With Silver inner lining, it blocks UV rays, preventing algae growth and stabilize water temperature

Holds Strong In Wind

Metal ratchet with nylon straps keeps covers locked in extreme wind up to 80+ mph

Cleaner Water Longer

Blocks leaves, dirt, pollens, bugs and rain to reduce pool maintenance costs

Cover your Pool Fast

Cover your pool in minutes with easy-to-use ratchet straps. Easy on and easy off

Product Specifications

21 FT Round Pool Cover — Blue — Ratchet Strap

Product details

Protect your pool year-round with this durable 420D Oxford fabric round pool cover in blue, reinforced for larger surface coverage. Rated windproof up to 80 mph, with reinforced trim at the seams for added durability.


Installation Instructions

  1. Unfold & Position: Position evenly across the pool with full trim overhang.
  2. Secure & Tighten: Tighten the strap gradually around the perimeter.
  3. Release & Maintain: Release the buckle lever to remove.

Usage Tips:

  1. Inspect reinforced seams every few weeks.
  2. Tighten fully ahead of high-wind forecasts.
  3. Store the strap loosely coiled.

  • 【Less Common Size — Measure First】 Confirm your 21 ft pool's exact diameter before ordering.
  • 【Reinforced at the Seams】 Extra durability where larger covers wear first.
  • 【Rated Windproof to 80 MPH】 Built for real storm protection at this size.
  • 【Eye-Catching Blue】 A colorful choice for a larger backyard pool.
Size (ft) 21FT
Size (cm) 640cm diameter
Shape Round
Color Blue
Material Premium Oxford Fabric
Security System Ratchet Strap System
Brand / Product Type FairCovers – 21 ft Round Above Ground Pool Cover
Compatible With Most standard 21ft round above ground pools (Intex, Bestway, Summer Waves & similar brands)
Performance Dustproof, Tear Resistant, UV Resistant, Waterproof, Windproof
Shipping & Returns Free shipping (US), 30-day hassle-free returns
Package Includes 1 x 21ft Round Pool Cover 1 x Industrial-Grade Ratchet Tensioner 1 x High-Strength Ratchet Strap 1 x Portable Storage Bag

Q&A

Q1: Is this pool cover waterproof? Will it block leaves and debris?

A: Yes, absolutely. Our pool covers are engineered from heavy-duty, commercial-grade waterproof and UV-resistant fabric with reinforced seams. It provides a 100% barrier against rain, falling leaves, dust, and debris, keeping your pool water crystal clear and reducing evaporation when not in use.

Q2: Will the cover blow away in high winds? How does it stay secured?

A: Not at all. To withstand harsh weather, our pool covers feature reinforced, rust-proof heavy-duty grommets combined with high-elastic windproof drawstrings (or a heavy-duty water bag/anchor system, depending on the model). The double-stitched overlapping hems ensure a snug, wind-resistant fit that stays securely in place even during severe storms.

Q3: How do I clean and store the pool cover properly?

A: Maintenance is simple. Just hose off any dirt or leaves, and gently scrub with a soft brush and mild soapy water if needed (avoid harsh chemicals or machine washing). Crucially, make sure the cover is completely dry before folding and storing it in a cool, dry place to prevent mold or mildew growth.