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double cap / Caps

double cap

This is a product for children and the elderly, the elderly and children can use the small bottle of water and middle-aged can use the big bottle of water. Love starts from the intravenous drip, one more bottle, more love.

University

Shandong University of Science and Technology

Shandong University of Science and Technology
qingdao, China

siyao gao,
Shandong University of Science and Technology

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