Abstract: Provided is an inflatable lamp, which includes a first flexible housing, a second flexible housing connected with the first flexible housing to cooperatively form a receiving cavity, a power supply assembly arranged on the first flexible housing, a light strip received in the receiving cavity, and a sealing assembly. The power supply assembly has a mounting element arranged on the first flexible housing and a power supply received in the mounting element. One end of the light strip is arranged on the mounting element and electrically connected with the power supply. The sealing assembly includes a first sealing element sealingly connected with an inner side of the first flexible housing. The first sealing element is configured to airtightly seal and cover the light strip, the mounting element, and the power supply. The inflatable lamp of the present disclosure is easy to carry and store.

Abstract: A roll top backpack with a waterproof speaker device comprises a speaker device and a roll top backpack, wherein the roll top backpack is provided with a speaker device placement hole, the speaker device is arranged in the speaker device placement hole, and the speaker device is sealed with the speaker device placement hole; due to the fact that the roll top backpack is made of waterproof materials and the speaker device is sealed with the speaker device placement hole, the inner part and the outer part can be waterproof when the whole roll top backpack is rolled up, moisture cannot permeate into the roll top backpack through the speaker device, and cannot permeate out through the speaker device from inside of the backpack, so that the roll top backpack can be used in various environments of outdoor hiking, camping or water sports.