Rubric for Evaluating Lunch Bags

Essential criteria such as insulation, capacity, durability, ease of cleaning, and design.

Criteria	1 (Poor)	2 (Fair)	3 (Good)	4 (Very Good)	5 (Excellent)
Insulation	Does not keep food at the desired temperature	Keeps food cool/warm for less than 2 hours	Maintains temperature for 2-3 hours	Maintains temperature for 3-4 hours	Keeps food at the desired temperature for 5+ hours
Capacity	Too small for a standard meal	Fits a small meal with limited space	Adequate space for a standard meal	Ample space for a meal and snacks	Spacious enough for multiple meals and snacks
Durability	Material easily tears or wears	Material shows wear after short-term use	Durable for regular use	High-quality materials with minimal wear	Extremely durable, withstands heavy use and harsh conditions
Ease of Cleaning	Difficult to clean, retains stains and odors	Requires effort to clean, some stains remain	Easy to wipe clean, occasional stains	Simple to clean, resists most stains and odors	Very easy to clean, stain and odor resistant
Design	Unattractive, impractical design	Basic design with limited style options	Functional design with a few style choices	Stylish and practical design with multiple options	Highly attractive, innovative design with excellent practicality