Pattern is Japanese but fully charted using standard knitting and/or crochet symbols. For help using Japanese charted patterns, please visit the Japanese knitting & crochet group.

Direct link to pattern PDF here. Translation requests can be made in this thread.

small (350ml bottle):

• Japanese size 3/0 crochet hook (2.3mm)
• 30g Casual Cotton, color 05
• 1 sheet insulated batting (16.5cm x 25cm)
• 2 cords (52cm long)

large (500ml bottle):

• Japanese size 3/0 crochet hook (2.3mm)

• 40g Casual Cotton, color 06

• 1 sheet insulated batting (23cm x 25cm)

• 2 cords (52cm long)