This is the summary of consumer reviews for SPRI Xertube Resistance Band Exercise Cords with Door Attachment. The BoolPool rating for this product is Very Good, with 4.30 stars, and the price range is $6.95-$14.98 (Price varies by color).

The SPRI Xertube Resistance Band Exercise Cords with Door Attachment are made of high quality rubber material that offers progressive resistance and allows for isolation of targeted muscle and full range of exercises. This heavy-duty material has greater resistance to abrasion and tears that stands up to rigorous demands of professional or personal use. The Xertube Band is lightweight and highly portable. The straps can be rolled up and stored easily in bags or suitcases used while traveling, thus making it perfect for travel, gym or home use.

The SPRI Xertube Resistance Bands are color coded for 5 levels of resistance. All Xertubes come with hard handles unless specified by the customer. However, the Yellow Xertube is also available with soft handles. The SPRI Xertube is perfect for building strength, Pilates, physical rehabilitation and some other rigorous workouts. Though the handles are hard, they are sturdy and completely comfortable even for arthritic hands and wrists. The band offers unlimited workout combinations. The included door attachment, chart and SPRI website helps in additional workout options.

However, some users feel the Red - medium band does not provide the level resistance as claimed. Some users faced handles tearing apart after some usage. Door attachment looks cheaply made and dangerous as per some users.

Overall, the SPRI Xertube Resistance Band Exercise Cords are highly recommended by users for ease of use, durability and reliability. It is perfect workout tool for upper or lower body. Ideal for group exercises, personal, training and traveling, this handy exercise tool needs very little space to begin a safe, effective total body-conditioning program. 

Specifications:

• Yellow - Very Light Resistance - Suitable for beginners - At 1-1/2 times its length, the weight equivalence is approx 3-5 pounds.
• Green - Light Resistance - Suitable for moderately fit - At 1-1/2 times its length, the weight equivalence is approx 6 pounds.
• Red - Medium Resistance - Suitable for moderately fit - At 1-1/2 times its length, the weight equivalence is approx 10 pounds.
• Blue - Heavy Resistance - Suitable for very fit - At 1-1/2 times its length, the weight equivalence is approx 15 pounds.
• Purple - Very Heavy Resistance - Suitable for extremely fit - At 1-1/2 times its length, the weight equivalence is approx 20 lbs.
• Tube Lengths - Very Light / Light = 44", Medium = 50" and Heavy = 53"