  For any positive integer $k \geq 3,$ the sunlet graph of order $2k$, denoted
by $L_{2k},$ is the graph obtained by adding a pendant edge to each vertex of a
cycle of length $k.$ In this paper, we prove that the necessary and sufficient
condition for the existence of an $L_{16}$-decomposition of the $n$-dimensional
hypercube $Q_n$ is $n = 4$ or $n \geq 6.$ Also, we prove that for any integer
$m \geq 2,$ $Q_{mn}$ has an $L_{2k}$-decomposition if $Q_{n}$ has a
$C_k$-decomposition.
