Frogs are used when arranging flowers to hold the stems in place and to keep the stems underwater. Used instead of Oasis. Reusable indefinitely. Heavy bases keep flowers anchored securely. Flower Pin Frog 1-1/8" Round Long Pin $3.99 Flower Pin Frog 1-3/8" Round $4.99, 10/$46.00 Flower Pin Frog 1-13/16" Round $5.99 Flower Pin Frog 2-5/16" Round $11.99 Flower Pin Frog Rectangular $7.99