This link comes in two different configurations: one without a plastic cover and the other with a plastic cover.

Models 3106, 3107, 3107, 3108, 3109, 3110, 3111, 3112, 3113, and 3114 do not have plastic covers. The packaging of these models is all in Opp bags. The SKU images also do not show the presence of plastic covers.

Model 3116, 3117, 3118, 3119, 3120, 3121, 3122, 3123, 3124. These models come with plastic covers. The SKU pictures also show that they have plastic covers. The packaging is in a colorful box.