Users have mixed opinions about siccups.com. Some customers praise the insulated tumblers for their ability to keep drinks cold for extended periods and appreciate the variety of colors and designs available. Positive reviews highlight the durability and aesthetic appeal of the products.
However, there are also critical reviews. Some users express disappointment with the tumblers' performance, mentioning that they do not keep ice for as long as expected. There are also comments about the customer service and issues with product quality.
Overall, the feedback is a mix of satisfaction and disappointment, with some users loving the products and others finding them lacking in certain aspects.