Instruction: Answer yes if the product is a substitute for the query and no otherwise.

Input:
Query: stair treads non-slip blue 830
Product: iCustomRug Super Weather Warrior Heavy Duty 3/8" Thick Stair Treads, Non Slip Thick Rubber Backing 8.5" x 30" Treads Keeping Your Stairs Safe from Slipping, Pack of 7
Answer: yes